#VU55300 Out-of-bounds read in Simple DirectMedia Layer - CVE-2020-14410

Vulnerability identifier: #VU55300

Vulnerability risk: Medium

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-14410

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the "Blit_3or4_to_3or4__inversed_rgb" in "video/SDL_blit_N.c". A remote attacker can create a specially crafted .BMP file, trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Simple DirectMedia Layer: 2.0.0 - 2.0.12

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External links
https://bugzilla.libsdl.org/show_bug.cgi?id=5200
https://hg.libsdl.org/SDL/rev/3f9b4e92c1d9
https://lists.debian.org/debian-lts-announce/2021/01/msg00024.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5FS32YCEJLQ2FYUWSWYI2ZMQWQEAWJNR/

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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.