Remote code execution in NASM

1) Heap-based buffer overflow

EUVDB-ID: #VU84813

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-44370

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the quote_for_pmake() function in asm/nasm.c. A remote attacker can pass specially crafted file to the compiler, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

NASM: 2.16

CPE2.3

• cpe:2.3:a:nasm_sourceforge_net:nasm:2.16:*:*:*:*:*:*:

External links

http://bugzilla.nasm.us/show_bug.cgi?id=3392815
http://security.gentoo.org/glsa/202312-09

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.