Privilege escalation in snapd



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-1523
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Snapd
Universal components / Libraries / Software for developers

Vendor snapcore

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU76639

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1523

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 missing access restrictions to IOCTL and TIOCLINUX. A local user can execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Snapd: 2.0 - 2.59.4

CPE2.3 External links

https://github.com/snapcore/snapd/releases/tag/2.59.5


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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