#VU83864 Interpretation Conflict in fish-shell - CVE-2023-49284

Vulnerability identifier: #VU83864

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-49284

CWE-ID: CWE-436

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
fish-shell
Other software / Other software solutions

Vendor: fish-shell

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to command substitution output can trigger shell expansion. A local user can gain access to sensitive information or cause unexpected behavior.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

fish-shell: 3.6.0 - 3.6.1

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External links
https://github.com/fish-shell/fish-shell/security/advisories/GHSA-2j9r-pm96-wp4f
https://github.com/fish-shell/fish-shell/commit/09986f5563e31e2c900a606438f1d60d008f3a14

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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.