Vulnerability identifier: #VU32450
Vulnerability risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
libpng
Universal components / Libraries /
Libraries used by multiple products
Vendor: libpng
Description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
libpng: 1.5.0 - 1.5.20
External links
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
http://secunia.com/advisories/62725
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
http://support.apple.com/HT206167
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.