CVE-2015-8540

high

Description

Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.

References

https://security.gentoo.org/glsa/201611-08

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

https://access.redhat.com/errata/RHSA-2016:1430

http://www.securityfocus.com/bid/80592

http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html

http://www.openwall.com/lists/oss-security/2015/12/17/10

http://www.openwall.com/lists/oss-security/2015/12/11/2

http://www.openwall.com/lists/oss-security/2015/12/11/1

http://www.openwall.com/lists/oss-security/2015/12/10/7

http://www.openwall.com/lists/oss-security/2015/12/10/6

http://www.debian.org/security/2016/dsa-3443

http://sourceforge.net/projects/libpng/files/libpng15/1.5.26/

http://sourceforge.net/projects/libpng/files/libpng14/1.4.19/

http://sourceforge.net/projects/libpng/files/libpng12/1.2.56/

http://sourceforge.net/projects/libpng/files/libpng10/1.0.66/

http://sourceforge.net/p/libpng/code/ci/d9006f683c641793252d92254a75ae9b815b42ed/

http://sourceforge.net/p/libpng/bugs/244/

http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174435.html

Details

Source: Mitre, NVD

Published: 2016-04-14

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High