Format string error in sudo (Alpine package)

Published: 2012-01-30
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-0809
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
sudo (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Format string error

EUVDB-ID: #VU32823

Risk: Low


CVE-ID: CVE-2012-0809

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

Exploit availability: Yes


The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

Format string vulnerability in the sudo_debug function in Sudo 1.8.0 through 1.8.3p1 allows local users to execute arbitrary code via format string sequences in the program name for sudo.


Install update from vendor's website.

Vulnerable software versions

sudo (Alpine package): 1.8.1p1-r0 - 1.8.3_p1-r0

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?