CVE-2008-3234

OpenSSH - Authenticated SELinux Role Bypass via Username Suffix

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-3234. PoCs published by eliteboy.

AI-analyzed exploit summary This is a writeup describing a vulnerability in Debian-based OpenSSH configurations with SELinux support, where arbitrary SELinux roles can be set via the username field. The exploit involves crafting a username with a forward slash to specify a role, potentially leading to privilege escalation.

Description

sshd in OpenSSH 4 on Debian GNU/Linux, and the 20070303 OpenSSH snapshot, allows remote authenticated users to obtain access to arbitrary SELinux roles by appending a :/ (colon slash) sequence, followed by the role name, to the username.

Exploits (1)

exploitdb WRITEUP VERIFIED
by eliteboy · textremotelinux
https://www.exploit-db.com/exploits/6094

This is a writeup describing a vulnerability in Debian-based OpenSSH configurations with SELinux support, where arbitrary SELinux roles can be set via the username field. The exploit involves crafting a username with a forward slash to specify a role, potentially leading to privilege escalation.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: OpenSSH with SELinux support (Debian and derivatives, possibly Fedora/RHEL)
Auth required
Prerequisites: OpenSSH configured with --with-selinux · Access to a valid user account
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/44037
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/6094
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/30276

Scores

EPSS 0.0577
EPSS Percentile 92.1%

Details

CWE
CWE-264
Status published
Products (1)
openbsd/openssh 4.0
Published Jul 18, 2008
Tracked Since Feb 18, 2026