#VU19292 Out-of-bounds read in Simple DirectMedia Layer - CVE-2019-12222

Vulnerability identifier: #VU19292

Vulnerability risk: Medium

CVSSv4.0: 1.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-12222

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Simple DirectMedia Layer
Client/Desktop applications / Multimedia software

Vendor: zlib license

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to an out-of-bounds read in libSDL2.a due to an out-of-bounds read in the function SDL_InvalidateMap at video/SDL_pixels.c.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Simple DirectMedia Layer: 1.2.0 - 2.0.9

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External links
https://bugzilla.libsdl.org/show_bug.cgi?id=4621

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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. However, proof of concept for this vulnerability is available.