Buffer overflow in imlib2 (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU32296

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-2016-4024

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Integer overflow in imlib2 before 1.4.9 on 32-bit platforms allows remote attackers to execute arbitrary code via large dimensions in an image, which triggers an out-of-bounds heap memory write operation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

imlib2 (Alpine package): 1.4.6-r2 - 1.4.7-r0

CPE2.3

• cpe:2.3:a:alpine:imlib2_alpine_package:1.4.6-r2:*:*:*:*:alpine_linux:*:2.7
• cpe:2.3:a:alpine:imlib2_alpine_package:1.4.6-r3:*:*:*:*:alpine_linux:*:3.1
• cpe:2.3:a:alpine:imlib2_alpine_package:1.4.7-r0:*:*:*:*:alpine_linux:*:3.1

External links

https://git.alpinelinux.org/aports/commit/?id=655fce2fcf9f3d6390a1ab8fba039f4125df9e94
https://git.alpinelinux.org/aports/commit/?id=d5e8c33e16ea43c465eea03e12576e90d68838bf
https://git.alpinelinux.org/aports/commit/?id=4ab4dc28195ac810b25649d6b25ada802248bfdf

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.