#VU72572 UNIX symbolic link following in pesign


Published: 2023-02-26

Vulnerability identifier: #VU72572

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3560

CWE-ID: CWE-61

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
pesign
Universal components / Libraries / Libraries used by multiple products

Vendor: Red Hat Bootloader Team

Description

The vulnerability allows a local user to read privileges files on the system.

The vulnerability exists due to a symlink following issue. A local user can create a specially crafted symbolic link to a critical file on the system and view it.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

pesign: 0.2 - 115


External links
http://bugzilla.redhat.com/show_bug.cgi?id=2135420#c0


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.


Latest bulletins with this vulnerability