Vulnerability identifier: #VU78540

Vulnerability risk: Low

CVSSv3.1: 2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32001

CWE-ID: CWE-367

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
cURL
Client/Desktop applications / Other client software

Vendor: curl.haxx.se

Description

The vulnerability allows a local users to escalate privileges on the system.

The vulnerability exists due to a race condition when calling fopen() on STS and/or alt-svc data to files. A local user can create or rename directory entries in the directory the victim saves their files and abuse the symbolic link behavior to overwrite arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

cURL: 7.84.0 - 8.1.2

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External links
http://curl.haxx.se/docs/CVE-2023-32001.html

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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.