#VU85620 Heap-based buffer overflow in coreutils - CVE-2024-0684

Vulnerability identifier: #VU85620

Vulnerability risk: Low

CVSSv4.0: 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:P/U:Clear]

CVE-ID: CVE-2024-0684

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
coreutils
Other software / Other software solutions

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 line_bytes_split() function. A remote attacker can pass specially crafted input to the application, trigger a heap overflow and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

coreutils: 9.2 - 9.4

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External links
https://seclists.org/oss-sec/2024/q1/33
https://www.openwall.com/lists/oss-security/2024/01/18/2
https://bugzilla.redhat.com/show_bug.cgi?id=2258948

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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. However, proof of concept for this vulnerability is available.