National Cyber-Alert System
Vulnerability Summary for CVE-2006-6939
Original release date:01/17/2007
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
GNU ed before 0.3 allows local users to overwrite arbitrary files via a symlink attack on temporary files, possibly in the open_sbuf function.
Impact
CVSS Severity (version 2.0):
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:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- Official Statement from Red Hat (01/18/2007)
-
Red Hat is aware of this issue and is tracking it via the following bug:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=223072
The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
References to Advisories, Solutions, and Tools
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External Source: VUPEN
Name: ADV-2006-4573
Type: Advisory; Patch Information
External Source: XF
Name: gnued-opensbuf-symlink(30374)
External Source: CONFIRM
Name: http://freshmeat.net/projects/ed/?branch_id=17855&release_id=240890
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-962
External Source: TRUSTIX
Name: 2007-0005
External Source: BID
Name: 22129
External Source: MANDRIVA
Name: MDKSA-2007:023
External Source: SECUNIA
Name: 24054
External Source: SECUNIA
Name: 23857
External Source: SECUNIA
Name: 23848
External Source: SECUNIA
Name: 23832
External Source: FEDORA
Name: FEDORA-2007-100
External Source: FEDORA
Name: FEDORA-2007-099