#VU79805 Input validation error in xterm - CVE-2023-40359

Vulnerability identifier: #VU79805

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-40359

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
xterm
Other software / Other software solutions

Vendor: invisible-island.net

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in ReGIS support. A local user can pass unexpected characters to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

xterm: before 380

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External links
https://invisible-island.net/xterm/xterm.log.html#xterm_380

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.