Vulnerability Details : CVE-2011-2691
The png_err 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 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-2691
Probability of exploitation activity in the next 30 days: 1.21%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 83 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-2691
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2011-2691
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A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2691
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https://exchange.xforce.ibmcloud.com/vulnerabilities/68537
libpng png_default_error() denial of service CVE-2011-2691 Vulnerability ReportThird Party Advisory;VDB Entry
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http://marc.info/?l=bugtraq&m=133951357207000&w=2
'[security bulletin] HPSBMU02776 SSRT100852 rev.1 - HP Onboard Administrator (OA), Remote Unauthorize' - MARCMailing List;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=720608
720608 – (CVE-2011-2691) CVE-2011-2691 libpng: Crash in png_default_error due to use of NULL PointerExploit;Issue Tracking;Patch;Third Party Advisory
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http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Apple - Lists.apple.comMailing List;Third Party Advisory
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http://www.libpng.org/pub/png/libpng.html
libpng Home PageProduct;Vendor Advisory
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http://security.gentoo.org/glsa/glsa-201206-15.xml
libpng: Multiple vulnerabilities (GLSA 201206-15) — Gentoo securityThird Party Advisory
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http://www.openwall.com/lists/oss-security/2011/07/13/2
oss-security - Security issues fixed in libpng 1.5.4Mailing List;Third Party Advisory
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http://www.securityfocus.com/bid/48660
libpng Buffer Overflow and Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
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http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
LIBPNG: PNG reference library / Git tools
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http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
[SECURITY] Fedora 14 Update: libpng-1.2.46-1.fc14Mailing List;Third Party Advisory
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http://support.apple.com/kb/HT5002
About the security content of OS X Lion v10.7.2 and Security Update 2011-006 - Apple SupportThird Party Advisory
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http://www.debian.org/security/2011/dsa-2287
Debian -- Security Information -- DSA-2287-1 libpngThird Party Advisory
Products affected by CVE-2011-2691
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*
- cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
- cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
- cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
- cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*