CVE-2011-2691
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.8 Medium
AI Score
Confidence
High
0.012 Low
EPSS
Percentile
85.3%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| libpng:libpng | libpng | lt | 1.0.55 |
| libpng:libpng | libpng | lt | 1.2.45 |
| libpng:libpng | libpng | lt | 1.4.8 |
| libpng:libpng | libpng | lt | 1.5.4 |
References
libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
marc.info/?l=bugtraq&m=133951357207000&w=2
secunia.com/advisories/45046
secunia.com/advisories/45405
secunia.com/advisories/45492
secunia.com/advisories/49660
security.gentoo.org/glsa/glsa-201206-15.xml
support.apple.com/kb/HT5002
www.debian.org/security/2011/dsa-2287
www.libpng.org/pub/png/libpng.html
www.mandriva.com/security/advisories?name=MDVSA-2011:151
www.openwall.com/lists/oss-security/2011/07/13/2
www.securityfocus.com/bid/48660
bugzilla.redhat.com/show_bug.cgi?id=720608
exchange.xforce.ibmcloud.com/vulnerabilities/68537
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.8 Medium
AI Score
Confidence
High
0.012 Low
EPSS
Percentile
85.3%