#VU55300 Out-of-bounds read in Simple DirectMedia Layer


Published: 2021-07-26

Vulnerability identifier: #VU55300

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

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


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


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.


Latest bulletins with this vulnerability