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Last updated: 10/25/2014 4:38:17 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-6209

Original release date: 12/03/2007
Last revised: 11/15/2008
Source: US-CERT/NIST

Overview

Util/difflog.pl in zsh 4.3.4 allows local users to overwrite arbitrary files via a symlink attack on temporary files.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.6 (MEDIUM) (AV:L/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (12/04/2007)
Not vulnerable. These issues did not affect the versions of the zsh package as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

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External Source: XF
Name: zsh-difflog-symlink(38812)
External Source: MLIST
Name: [zsh-workers] 20071202 difflog.pl and "security"
External Source: OSVDB
Name: 42481
External Source: MISC
Name: https://bugs.gentoo.org/show_bug.cgi?id=201022
External Source: MLIST
Name: [zsh-workers] 20071203 Re: difflog.pl and "security"
External Source: SECUNIA
Name: 27899
External Source: BID
Name: 26674
External Source: MLIST
Name: [zsh-workers] 20071203 Re: difflog.pl and "security"

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)