#VU44881 Input validation error in libpng - CVE-2011-2501
Vulnerability identifier: #VU44881
Vulnerability risk: Medium
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
libpng
Universal components / Libraries /
Libraries used by multiple products
Vendor: libpng
Description
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression.
Mitigation
Update to version 1.5.4.
Vulnerable software versions
libpng: 1.5.0 - 1.5.3
External links
https://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=commit;h=65e6d5a34f49acdb362a0625a706c6b914e670af
https://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
https://secunia.com/advisories/45046
https://secunia.com/advisories/45289
https://secunia.com/advisories/45405
https://secunia.com/advisories/45415
https://secunia.com/advisories/45460
https://secunia.com/advisories/45486
https://secunia.com/advisories/45492
https://secunia.com/advisories/49660
https://security.gentoo.org/glsa/glsa-201206-15.xml
https://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466
https://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement
https://www.debian.org/security/2011/dsa-2287
https://www.mandriva.com/security/advisories?name=MDVSA-2011:151
https://www.openwall.com/lists/oss-security/2011/06/27/13
https://www.openwall.com/lists/oss-security/2011/06/28/16
https://www.redhat.com/support/errata/RHSA-2011-1105.html
https://www.securityfocus.com/bid/48474
https://www.ubuntu.com/usn/USN-1175-1
https://bugzilla.redhat.com/show_bug.cgi?id=717084
https://exchange.xforce.ibmcloud.com/vulnerabilities/68517
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.
