CVE-2015-5073

Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from heap memory and possibly bypass the ASLR protection mechanism via a crafted regular expression with an excess closing parenthesis.

CVSS v3 9.1 CRITICAL
CVSS v2.0 6.4 MEDIUM

9.1^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://rhn.redhat.com/errata/RHSA-2016-1025.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?revision=1609&view=markup	Vendor Advisory
http://vcs.pcre.org/pcre?view=revision&revision=1571	Exploit Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886	Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/26/1	Mailing List
http://www.openwall.com/lists/oss-security/2015/06/26/3	Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/75430	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033154	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2016:1132
https://bugs.exim.org/show_bug.cgi?id=1651	Exploit
https://security.gentoo.org/glsa/201607-02

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:powerkvm:2.1:::::::*
	cpe:2.3:a:ibm:powerkvm:3.1:::::::*

Configuration 2 (hide)

cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2016-12-13 16:59

Updated : 2023-12-10 12:01

NVD link : CVE-2015-5073

Mitre link : CVE-2015-5073

CVE.ORG link : CVE-2015-5073

JSON object : View

Products Affected

ibm

powerkvm

pcre

pcre

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

{"id": "CVE-2015-5073", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2016-12-13T16:59:06.097", "references": [{"url": "http://rhn.redhat.com/errata/RHSA-2016-1025.html", "source": "cve@mitre.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html", "source": "cve@mitre.org"}, {"url": "http://vcs.pcre.org/pcre/code/trunk/ChangeLog?revision=1609&view=markup", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://vcs.pcre.org/pcre?view=revision&revision=1571", "tags": ["Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2015/06/26/1", "tags": ["Mailing List"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2015/06/26/3", "tags": ["Mailing List"], "source": "cve@mitre.org"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html", "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/75430", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1033154", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2016:1132", "source": "cve@mitre.org"}, {"url": "https://bugs.exim.org/show_bug.cgi?id=1651", "tags": ["Exploit"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201607-02", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from heap memory and possibly bypass the ASLR protection mechanism via a crafted regular expression with an excess closing parenthesis."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en memoria din\u00e1mica en la funci\u00f3n find_fixedlength en pcre_compile.c en PCRE en versiones anteriores a 8.38 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) u obtener informaci\u00f3n sensible de la memoria din\u00e1mica y posiblemente eludir el mecanismo de protecci\u00f3n ASLR a trav\u00e9s de una expresi\u00f3n regular manipulada con un par\u00e9ntesis de cierre excesivo."}], "lastModified": "2018-05-18T01:29:00.430", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ibm:powerkvm:2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "161594FF-0DF8-43C8-B532-EBB20228023D"}, {"criteria": "cpe:2.3:a:ibm:powerkvm:3.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0744845-0230-47E7-866A-0880832B31C8"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7ADB3502-FE99-4709-B92C-E5BEF4FD3EF6", "versionEndIncluding": "8.37"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}