#VU93878 Heap-based buffer overflow in SANE Backends - CVE-2023-46052

Vulnerability identifier: #VU93878

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-2023-46052

CWE-ID: CWE-122

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SANE Backends
Server applications / Other server solutions

Vendor: sane-project.org

Description

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

The vulnerability exists due to a boundary error within the init_options() function in backend/test.c. A local user can pass a specially crafted configuration file to the application, trigger a heap-based buffer overflow and crash it.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SANE Backends: 1.0.1 - 1.2.1

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External links
https://gitlab.com/sane-project/backends/-/issues/709
https://seclists.org/fulldisclosure/2024/Jan/69

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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.