CVE-2011-2501
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
7 High
AI Score
Confidence
High
0.028 Low
EPSS
Percentile
90.7%
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.
Affected configurations
References
libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af
lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html
lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
secunia.com/advisories/45046
secunia.com/advisories/45289
secunia.com/advisories/45405
secunia.com/advisories/45415
secunia.com/advisories/45460
secunia.com/advisories/45486
secunia.com/advisories/45492
secunia.com/advisories/49660
security.gentoo.org/glsa/glsa-201206-15.xml
slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466
sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement
www.debian.org/security/2011/dsa-2287
www.mandriva.com/security/advisories?name=MDVSA-2011:151
www.openwall.com/lists/oss-security/2011/06/27/13
www.openwall.com/lists/oss-security/2011/06/28/16
www.redhat.com/support/errata/RHSA-2011-1105.html
www.securityfocus.com/bid/48474
www.ubuntu.com/usn/USN-1175-1
bugzilla.redhat.com/show_bug.cgi?id=717084
exchange.xforce.ibmcloud.com/vulnerabilities/68517
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
7 High
AI Score
Confidence
High
0.028 Low
EPSS
Percentile
90.7%