CVE-2012-3425

The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds read) via a large avail_in field value in a PNG image.

Published Bysecalert@redhat.com

Published DateAug 13, 2012, 20:55

Weakness Type (CWE):CWE-119

CVSS Metrics

Base Score

4.3

Vector String

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

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

PARTIAL

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=668082
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=284de253b1561b976291ba7405acd71ae71ff597%3Bhb=refs/heads/libpng10
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=2da5a7a8b690e257f94353b5b49d493cdc385322%3Bhb=refs/heads/libpng14
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=73e2ffd6a1471f2144d0ce7165d7323cb109f10f%3Bhb=refs/heads/libpng15
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bhb=a4b640865ae47986bbe71ecc0e7d5181dcb0bac8
http://lists.opensuse.org/opensuse-updates/2012-08/msg00004.html
http://www.openwall.com/lists/oss-security/2012/07/24/3
http://www.openwall.com/lists/oss-security/2012/07/24/5
http://www.ubuntu.com/usn/USN-2815-1

Weakness Type (CWE):CWE-119

CVSS Metrics

Base Score

4.3

Vector String

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

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

PARTIAL