CVE-2011-2501

The png_format_buffer function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://secunia.com/advisories/45046	Broken Link
http://www.securityfocus.com/bid/48474	Third Party Advisory VDB Entry
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=commit;h=65e6d5a34f49acdb362a0625a706c6b914e670af	Broken Link
http://www.openwall.com/lists/oss-security/2011/06/28/16	Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=717084	Issue Tracking Patch Third Party Advisory
http://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement	Exploit Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/06/27/13	Mailing List Patch Third Party Advisory
http://secunia.com/advisories/45415	Broken Link
http://secunia.com/advisories/45486	Broken Link
http://secunia.com/advisories/45289	Broken Link
http://secunia.com/advisories/45460	Broken Link
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466	Mailing List Patch Third Party Advisory
http://www.debian.org/security/2011/dsa-2287	Third Party Advisory
http://secunia.com/advisories/45405	Broken Link
http://www.redhat.com/support/errata/RHSA-2011-1105.html	Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html	Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html	Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-1175-1	Third Party Advisory
http://secunia.com/advisories/45492	Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:151	Broken Link
http://secunia.com/advisories/49660	Broken Link
http://security.gentoo.org/glsa/glsa-201206-15.xml	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/68517	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:libpng:libpng::::::::
	cpe:2.3:a:libpng:libpng::::::::
	cpe:2.3:a:libpng:libpng::::::::
	cpe:2.3:a:libpng:libpng::::::::

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:5.0:::::::*
	cpe:2.3:o:debian:debian_linux:6.0:::::::*

Configuration 4 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:8.04:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:10.04:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:10.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:11.04:::::::*

Information

Published : 2011-07-17 13:55

Updated : 2020-08-06 08:43

NVD link : CVE-2011-2501

Mitre link : CVE-2011-2501

JSON object : View

CWE

CWE-125

Out-of-bounds Read

Products Affected

debian

debian_linux

canonical

ubuntu_linux

libpng

libpng

fedoraproject

fedora

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NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-125"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-2501", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}}, "publishedDate": "2011-07-17T20:55Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.0.55", "versionStartIncluding": "1.0.0"}, {"cpe23Uri": "cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.2.45", "versionStartIncluding": "1.2.0"}, {"cpe23Uri": "cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.4.8", "versionStartIncluding": "1.4.0"}, {"cpe23Uri": "cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.5.4", "versionStartIncluding": "1.5.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-08-06T15:43Z"}

6.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

Attach tags to CVE-2011-2501

6.5^/10

4.3^/10

Attach tags to `CVE-2011-2501`