Slackware Linux update for gdk-pixbuf2

1) Memory corruption

EUVDB-ID: #VU1828

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-4491

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists due to integer overflow in the make_filter_table function in pixops/pixops.c in gdk-pixbuf. A remote attacker can submit specially crafted bitmap dimensions that are mishandled during scaling, trigger heap-based buffer overflow and cause the service to crash or execute arbitrary code with elevated privileges.

Mitigation

Update the affected package gdk-pixbuf2.

Vulnerable software versions

Slackware Linux: 13.37 - 14.1

CPE2.3

• cpe:2.3:o:slackware:slackware_linux:13.37:*:*:*:*:*:*:*
• cpe:2.3:o:slackware:slackware_linux:14.0:*:*:*:*:*:*:*
• cpe:2.3:o:slackware:slackware_linux:14.1:*:*:*:*:*:*:*

External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.435174

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.