Privilege escalation in hplip

1) Format string error

EUVDB-ID: #VU101061

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: N/A

CWE-ID: CWE-134 - Use of Externally-Controlled Format String

Exploit availability: No

Description

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

The vulnerability exists due to a format string error when handling a device URI connected via USB port. A local user can connect a malicious printer to the system and execute arbitrary code with root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

hplip: 0.9.10 - 3.23.12

CPE2.3

• cpe:2.3:h:hpe:hplip:0.9.10:*:*:*:*:*:*:*
• cpe:2.3:h:hpe:hplip:0.9.11:*:*:*:*:*:*:*
• cpe:2.3:h:hpe:hplip:1.6.6:*:*:*:*:*:*:*

External links

https://bugzilla.suse.com/show_bug.cgi?id=1209401
https://bugzilla.opensuse.org/show_bug.cgi?id=1209866
https://build.opensuse.org/request/show/1075095

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.