#VU69913 Heap-based buffer overflow in Gnu - CVE-2022-38533

Vulnerability identifier: #VU69913

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-38533

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gnu
Operating systems & Components / Operating system

Vendor: GNU

Description

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

The vulnerability exists due to a boundary error within the bfd_getl32() function. A remote attacker can trick the victim to process a specially crafted file, trigger a heap-based buffer overflow and crash the application.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Gnu: 2.0 - 2.12.23

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External links
https://sourceware.org/bugzilla/show_bug.cgi?id=29482
https://sourceware.org/bugzilla/show_bug.cgi?id=29482#c2
https://security.netapp.com/advisory/ntap-20221104-0007/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6AKZ2DTS3ATVN5PANNVLKLE5OP4OF25Q/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7MTEHT3G6YKJ7F7MSGWYSI4UM3XBAYXZ/

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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.