Integer overflow in sdl2_image (Alpine package)

1) Integer overflow

EUVDB-ID: #VU33393

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-5059

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

An exploitable code execution vulnerability exists in the XPM image rendering functionality of SDL2_image 2.0.4. A specially crafted XPM image can cause an integer overflow, allocating too small of a buffer. This buffer can then be written out of bounds resulting in a heap overflow, ultimately ending in code execution. An attacker can display a specially crafted image to trigger this vulnerability.

Mitigation

Install update from vendor's website.

Vulnerable software versions

sdl2_image (Alpine package): 2.0.2-r1 - 2.0.4-r0

CPE2.3

• cpe:2.3:o:alpine:sdl2_image_alpine_package:2.0.2-r1:*:*:*:*:alpine_linux:*:3.6
• cpe:2.3:o:alpine:sdl2_image_alpine_package:2.0.3-r0:*:*:*:*:alpine_linux:*:3.7
• cpe:2.3:o:alpine:sdl2_image_alpine_package:2.0.4-r0:*:*:*:*:alpine_linux:*:3.9

External links

https://git.alpinelinux.org/aports/commit/?id=f39cc4a76fb62bedd5c496cbc5e5893066fc79e6
https://git.alpinelinux.org/aports/commit/?id=55de9cfbb9d142a1a279c1ca0e6f81b533b56051
https://git.alpinelinux.org/aports/commit/?id=9f6b061f48c397e4e666fcf6f75fabe92b6033d2

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.