#VU19294 Buffer overflow in Simple DirectMedia Layer - CVE-2019-12221

Vulnerability identifier: #VU19294

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2019-12221

CWE-ID: CWE-119

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 crash the application.

The vulnerability exists due to a boundary error when processing images in the SDL_free_REAL() function at stdlib/SDL_malloc.c. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Simple DirectMedia Layer: 1.2.0 - 2.0.9

---

External links
https://bugzilla.libsdl.org/show_bug.cgi?id=4628

---

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.