58495 : OpenSSH sshd ChrootDirectory Feature SetUID Hard Link Local Privilege Escalation
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Timeline

Disclosure Date
2009-09-30

Description

OpenSSH contains a flaw that may allow an attacker to gain access to unauthorized privileges. The issue is triggered when an error occurs in the ChrootDirectory feature during the handling of hard links to setuid programs that utilize configuration files in the chroot directory. This may allow a local attacker to gain escalated privileges.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

It has been reported that this issue has been fixed. Upgrade to version 5.2p1-6.fc11, or higher, to address this vulnerability.

Products

OpenBSD
OpenSSH
4.8
4.3

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 6.9
Source: nvd.nist.gov | Generated: 2009-10-02 | Disagree?

Access_vector_0 Access_complexity_1 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

Comments

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