#VU44882 Buffer overflow in libpng
Vulnerability identifier: #VU44882
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-120
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 execute arbitrary code.
Buffer overflow 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, when used by an application that calls the png_rgb_to_gray function but not the png_set_expand function, allows remote attackers to overwrite memory with an arbitrary amount of data, and possibly have unspecified other impact, via a crafted PNG image.
Mitigation
Install update from vendor's website.
Vulnerable software versions
libpng: 1.5.0 - 1.5.3
External links
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
http://secunia.com/advisories/45046
http://secunia.com/advisories/45405
http://secunia.com/advisories/45415
http://secunia.com/advisories/45460
http://secunia.com/advisories/45461
http://secunia.com/advisories/45492
http://secunia.com/advisories/49660
http://security.gentoo.org/glsa/glsa-201206-15.xml
http://support.apple.com/kb/HT5002
http://www.debian.org/security/2011/dsa-2287
http://www.libpng.org/pub/png/libpng.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:151
http://www.openwall.com/lists/oss-security/2011/07/13/2
http://www.redhat.com/support/errata/RHSA-2011-1104.html
http://www.redhat.com/support/errata/RHSA-2011-1105.html
http://www.securityfocus.com/bid/48660
http://www.ubuntu.com/usn/USN-1175-1
http://bugzilla.redhat.com/show_bug.cgi?id=720607
http://exchange.xforce.ibmcloud.com/vulnerabilities/68538
Q & A
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.
