CVE-2017-12883

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-09-10T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\\N{U+...}' escape."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-07-15T02:22:55.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "DSA-3982", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2017/dsa-3982"}, {"name": "100852", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/100852"}, {"tags": ["x_refsource_MISC"], "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20180426-0001/"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492093"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://rt.perl.org/Public/Bug/Display.html?id=131598"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-12883", "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": "Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\\N{U+...}' escape."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "DSA-3982", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2017/dsa-3982"}, {"name": "100852", "refsource": "BID", "url": "http://www.securityfocus.com/bid/100852"}, {"name": "https://www.oracle.com/security-alerts/cpujul2020.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"name": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1", "refsource": "CONFIRM", "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1"}, {"name": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1", "refsource": "CONFIRM", "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1"}, {"name": "https://security.netapp.com/advisory/ntap-20180426-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20180426-0001/"}, {"name": "http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch", "refsource": "CONFIRM", "url": "http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1492093", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492093"}, {"name": "https://rt.perl.org/Public/Bug/Display.html?id=131598", "refsource": "CONFIRM", "url": "https://rt.perl.org/Public/Bug/Display.html?id=131598"}, {"name": "https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1", "refsource": "CONFIRM", "url": "https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T18:51:06.922Z"}, "title": "CVE Program Container", "references": [{"name": "DSA-3982", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2017/dsa-3982"}, {"name": "100852", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/100852"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20180426-0001/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492093"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://rt.perl.org/Public/Bug/Display.html?id=131598"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-12883", "datePublished": "2017-09-19T18:00:00.000Z", "dateReserved": "2017-08-16T00:00:00.000Z", "dateUpdated": "2024-08-05T18:51:06.922Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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:perl:perl:*:*:*:*:*:*:*:*", "matchCriteriaId": "DB276E2C-622C-45EB-8378-35751366049F", "versionEndIncluding": "5.24.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:perl:perl:5.26.0:*:*:*:*:*:*:*", "matchCriteriaId": "B71CAECA-2A6A-4604-863F-3C1C055FB1CE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\\N{U+...}' escape."}, {"lang": "es", "value": "Un Desbordamiento de b\u00fafer en la funci\u00f3n S_grok_bslash_N en el archivo regcomp.c en Perl versi\u00f3n 5 anterior a 5.24.3-RC1 y versi\u00f3n 5.26.x anterior a 5.26.1-RC1, permite a los atacantes remotos divulgar informaci\u00f3n confidencial o causar una denegaci\u00f3n de servicio (bloqueo de aplicaci\u00f3n) por medio de una expresi\u00f3n creada con un escape '\\N{U+...}' inv\u00e1lido."}], "id": "CVE-2017-12883", "lastModified": "2026-06-17T01:04:04.983", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-09-19T18:29:00.197", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2017/dsa-3982"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/100852"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory", "VDB Entry"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492093"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1"}, {"source": "cve@mitre.org", "url": "https://rt.perl.org/Public/Bug/Display.html?id=131598"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20180426-0001/"}, {"source": "cve@mitre.org", "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2017/dsa-3982"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/100852"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory", "VDB Entry"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492093"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://rt.perl.org/Public/Bug/Display.html?id=131598"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20180426-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "perl: Buffer over-read in regular expression parser", "id": "1492093", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492093"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\\N{U+...}' escape.", "A heap buffer overread was found in perl's grok_bslash_N() function, which is used in the compilation of Unicode nodes in regular expressions, possibly leading to crash or dump of memory segments via the error output. An attacker, able to provide a specially crafted regular expression, could look for sensible information in the error message, or crash perl."], "name": "CVE-2017-12883", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "perl", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "perl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "perl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:2", "fix_state": "Not affected", "package_name": "rh-perl520-perl", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:2", "fix_state": "Will not fix", "package_name": "rh-perl524-perl", "product_name": "Red Hat Software Collections"}], "public_date": "2017-09-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-12883\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-12883"], "statement": "Perl as shipped in Red Hat Enterprise Linux 7 and older have not been found to be vulnerable. This vulnerability was not present in perl versions older than 5.20.", "threat_severity": "Moderate"}

{}