CVE-2020-6750

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "GSocketClient in GNOME GLib through 2.62.4 may occasionally connect directly to a target address instead of connecting via a proxy server when configured to do so, because the proxy_addr field is mishandled. This bug is timing-dependent and may occur only sporadically depending on network delays. The greatest security relevance is in use cases where a proxy is used to help with privacy/anonymity, even though there is no technical barrier to a direct connection. 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This bug is timing-dependent and may occur only sporadically depending on network delays. The greatest security relevance is in use cases where a proxy is used to help with privacy/anonymity, even though there is no technical barrier to a direct connection. NOTE: versions before 2.60 are unaffected."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://gitlab.gnome.org/GNOME/glib/issues/1989", "refsource": "MISC", "url": "https://gitlab.gnome.org/GNOME/glib/issues/1989"}, {"name": "https://bugzilla.suse.com/show_bug.cgi?id=1160668", "refsource": "CONFIRM", "url": "https://bugzilla.suse.com/show_bug.cgi?id=1160668"}, {"name": "https://security.netapp.com/advisory/ntap-20200127-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20200127-0001/"}, {"name": "FEDORA-2020-339d413324", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5RIFEDSRJ4P3WFCMDUOFQ2LEILZLMDW7/"}, {"name": "FEDORA-2020-c101a316ab", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEM7MMAXMWCDPUH4MTUZ763MBB64RRLJ/"}, {"name": "FEDORA-2020-092ef6572a", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJMLGW55HOQXHMTIPH2PWXFRBNBWVO4W/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:11:04.536Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.gnome.org/GNOME/glib/issues/1989"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.suse.com/show_bug.cgi?id=1160668"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20200127-0001/"}, {"name": "FEDORA-2020-339d413324", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5RIFEDSRJ4P3WFCMDUOFQ2LEILZLMDW7/"}, {"name": "FEDORA-2020-c101a316ab", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MEM7MMAXMWCDPUH4MTUZ763MBB64RRLJ/"}, {"name": "FEDORA-2020-092ef6572a", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMLGW55HOQXHMTIPH2PWXFRBNBWVO4W/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-6750", "datePublished": "2020-01-09T19:23:03.000Z", "dateReserved": "2020-01-09T00:00:00.000Z", "dateUpdated": "2024-08-04T09:11:04.536Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*", "matchCriteriaId": "73D3EA88-DAC7-42CB-B866-231ADC38EA4A", "versionEndIncluding": "2.62.4", "versionStartIncluding": "2.60.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GSocketClient in GNOME GLib through 2.62.4 may occasionally connect directly to a target address instead of connecting via a proxy server when configured to do so, because the proxy_addr field is mishandled. This bug is timing-dependent and may occur only sporadically depending on network delays. The greatest security relevance is in use cases where a proxy is used to help with privacy/anonymity, even though there is no technical barrier to a direct connection. NOTE: versions before 2.60 are unaffected."}, {"lang": "es", "value": "GSocketClient en GNOME GLib versiones hasta 2.62.4, ocasionalmente puede conectarse directamente a una direcci\u00f3n de destino en lugar de conectarse por medio de un servidor proxy cuando se configur\u00f3 para hacerlo, porque el campo proxy_addr es manejado inapropiadamente. Este error depende de la sincronizaci\u00f3n y puede ocurrir solo espor\u00e1dicamente dependiendo de los retrasos de la red. La mayor relevancia de seguridad se encuentra en los casos de uso donde es utilizado un proxy para ayudar con la privacidad y el anonimato, aunque no existe una barrera t\u00e9cnica para una conexi\u00f3n directa. NOTA: las versiones anteriores a 2.60 no est\u00e1n afectadas."}], "id": "CVE-2020-6750", "lastModified": "2026-06-17T03:23:45.637", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-01-09T20:15:11.567", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.suse.com/show_bug.cgi?id=1160668"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://gitlab.gnome.org/GNOME/glib/issues/1989"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5RIFEDSRJ4P3WFCMDUOFQ2LEILZLMDW7/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMLGW55HOQXHMTIPH2PWXFRBNBWVO4W/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MEM7MMAXMWCDPUH4MTUZ763MBB64RRLJ/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20200127-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.suse.com/show_bug.cgi?id=1160668"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://gitlab.gnome.org/GNOME/glib/issues/1989"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5RIFEDSRJ4P3WFCMDUOFQ2LEILZLMDW7/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMLGW55HOQXHMTIPH2PWXFRBNBWVO4W/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MEM7MMAXMWCDPUH4MTUZ763MBB64RRLJ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20200127-0001/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "glib: Mishandling of proxy_addr field in GSocketClient may lead to proxy being ignored", "id": "1790288", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1790288"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-20", "details": ["GSocketClient in GNOME GLib through 2.62.4 may occasionally connect directly to a target address instead of connecting via a proxy server when configured to do so, because the proxy_addr field is mishandled. This bug is timing-dependent and may occur only sporadically depending on network delays. The greatest security relevance is in use cases where a proxy is used to help with privacy/anonymity, even though there is no technical barrier to a direct connection. NOTE: versions before 2.60 are unaffected."], "name": "CVE-2020-6750", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "glib", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "glib2", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "chromium-browser", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "glib2", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "glib2", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "glib2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mingw-glib2", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2020-01-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-6750\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-6750"], "statement": "As per upstream versions of glib2 before 2.60 are unaffected, therefore glib2 package shipped with Red Hat Products are not affected by this flaw.", "threat_severity": "Moderate"}

{}