Vulnerability CVE-2015-0973
Published: 2015-01-18   Modified: 2015-01-22

Description:
Buffer overflow in the png_read_IDAT_data function in pngrutil.c in libpng before 1.5.21 and 1.6.x before 1.6.16 allows context-dependent attackers to execute arbitrary code via IDAT data with a large width, a different vulnerability than CVE-2014-9495.

See advisories in our WLB2 database:
Topic
Author
Date
High
libpng 1.6.15 Heap Overflow
Alex Eubanks
23.12.2014

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Oracle -> Solaris 
Libpng -> Libpng 
Apple -> Mac os x 

 References:
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
http://sourceforge.net/p/png-mng/mailman/message/33173461/
http://tfpwn.com/files/libpng_heap_overflow_1.6.15.txt
http://www.openwall.com/lists/oss-security/2015/01/10/1
http://www.openwall.com/lists/oss-security/2015/01/10/3
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
https://support.apple.com/HT206167
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