CVE-2016-0755

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-01-27T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-17T00:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "FEDORA-2016-57bebab3b6", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html"}, {"name": "openSUSE-SU-2016:0360", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html"}, {"name": "FEDORA-2016-3fa315a5dd", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html"}, {"name": "APPLE-SA-2016-09-20", "tags": ["vendor-advisory", "x_refsource_APPLE"], "url": "http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://curl.haxx.se/docs/adv_20160127A.html"}, {"name": "SSA:2016-039-01", "tags": ["vendor-advisory", "x_refsource_SLACKWARE"], "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965"}, {"name": "DSA-3455", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2016/dsa-3455"}, {"name": "openSUSE-SU-2016:0376", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"}, {"name": "82307", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/82307"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/HT207170"}, {"name": "openSUSE-SU-2016:0373", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html"}, {"name": "1034882", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1034882"}, {"name": "FEDORA-2016-5a141de5d9", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html"}, {"name": "USN-2882-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2882-1"}, {"name": "GLSA-201701-47", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201701-47"}, {"name": "FEDORA-2016-55137a3adb", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2016-0755", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "FEDORA-2016-57bebab3b6", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html"}, {"name": "http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html"}, {"name": "openSUSE-SU-2016:0360", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html"}, {"name": "FEDORA-2016-3fa315a5dd", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html"}, {"name": "APPLE-SA-2016-09-20", "refsource": "APPLE", "url": "http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html"}, {"name": "http://curl.haxx.se/docs/adv_20160127A.html", "refsource": "CONFIRM", "url": "http://curl.haxx.se/docs/adv_20160127A.html"}, {"name": "SSA:2016-039-01", "refsource": "SLACKWARE", "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965"}, {"name": "DSA-3455", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2016/dsa-3455"}, {"name": "openSUSE-SU-2016:0376", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html"}, {"name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"}, {"name": "82307", "refsource": "BID", "url": "http://www.securityfocus.com/bid/82307"}, {"name": "https://support.apple.com/HT207170", "refsource": "CONFIRM", "url": "https://support.apple.com/HT207170"}, {"name": "openSUSE-SU-2016:0373", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html"}, {"name": "1034882", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1034882"}, {"name": "FEDORA-2016-5a141de5d9", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html"}, {"name": "USN-2882-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2882-1"}, {"name": "GLSA-201701-47", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201701-47"}, {"name": "FEDORA-2016-55137a3adb", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T22:30:04.298Z"}, "title": "CVE Program Container", "references": [{"name": "FEDORA-2016-57bebab3b6", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html"}, {"name": "openSUSE-SU-2016:0360", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html"}, {"name": "FEDORA-2016-3fa315a5dd", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html"}, {"name": "APPLE-SA-2016-09-20", "tags": ["vendor-advisory", "x_refsource_APPLE", "x_transferred"], "url": "http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://curl.haxx.se/docs/adv_20160127A.html"}, {"name": "SSA:2016-039-01", "tags": ["vendor-advisory", "x_refsource_SLACKWARE", "x_transferred"], "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965"}, {"name": "DSA-3455", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2016/dsa-3455"}, {"name": "openSUSE-SU-2016:0376", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"}, {"name": "82307", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/82307"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.apple.com/HT207170"}, {"name": "openSUSE-SU-2016:0373", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html"}, {"name": "1034882", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1034882"}, {"name": "FEDORA-2016-5a141de5d9", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html"}, {"name": "USN-2882-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2882-1"}, {"name": "GLSA-201701-47", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201701-47"}, {"name": "FEDORA-2016-55137a3adb", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-0755", "datePublished": "2016-01-29T20:00:00.000Z", "dateReserved": "2015-12-16T00:00:00.000Z", "dateUpdated": "2024-08-05T22:30:04.298Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*", "matchCriteriaId": "70B94835-9FDC-4EFE-A37D-9BFCEFA12197", "versionEndIncluding": "7.46.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*", "matchCriteriaId": "F38D3B7E-8429-473F-BB31-FC3583EE5A5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015."}, {"lang": "es", "value": "La funci\u00f3n ConnectionExists en lib/url.c en libcurl en versiones anteriores a 7.47.0 no reutiliza correctamente las conexiones proxy autenticadas por NTML, lo que podr\u00eda permitir a atacantes remotos autenticarse como otros usuarios a trav\u00e9s de una petici\u00f3n, un problema similar a CVE-2014-0015."}], "id": "CVE-2016-0755", "lastModified": "2026-06-17T00:38:09.573", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-01-29T20:59:05.653", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://curl.haxx.se/docs/adv_20160127A.html"}, {"source": "secalert@redhat.com", "url": "http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html"}, {"source": "secalert@redhat.com", "url": "http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2016/dsa-3455"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/82307"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id/1034882"}, {"source": "secalert@redhat.com", "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-2882-1"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201701-47"}, {"source": "secalert@redhat.com", "url": "https://support.apple.com/HT207170"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://curl.haxx.se/docs/adv_20160127A.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176546.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177342.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177383.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176413.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00031.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00044.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00047.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/135695/Slackware-Security-Advisory-curl-Updates.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3455"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/82307"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1034882"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.519965"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2882-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201701-47"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.apple.com/HT207170"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank curl upstream for reporting this issue. Upstream acknowledges Isaac Boukris as the original reporter.", "bugzilla": {"description": "curl: NTLM credentials not-checked for proxy connection re-use", "id": "1302263", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1302263"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:N", "status": "draft"}, "cwe": "CWE-287", "details": ["The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015."], "name": "CVE-2016-0755", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Will not fix", "package_name": "curl", "product_name": "Red Hat JBoss Enterprise Web Server 3"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:2", "fix_state": "Not affected", "package_name": "httpd24-curl", "product_name": "Red Hat Software Collections"}], "public_date": "2016-01-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-0755\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-0755"], "threat_severity": "Low"}

{}