Privilege escalation in YubiKey Manager



Published: 2024-04-08 | Updated: 2024-04-09
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software
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YubiKey Manager
Universal components / Libraries / Libraries used by multiple products

Vendor Yubico

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU88198

Risk: Low

CVSSv3.1: 6.7 [CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly impose security restrictions. If a user runs the YubiKey Manager GUI as Administrator, browser windows opened by YubiKey Manager GUI may be opened as Administrator which could be exploited by a local attacker to perform actions as Administrator.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

YubiKey Manager: 1.2.0 - 1.2.5

External links

http://github.com/Yubico/yubikey-manager-qt/releases/tag/yubikey-manager-qt-1.2.6
http://www.yubico.com/support/security-advisories/ysa-2024-01/


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.



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