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Last updated: 8/27/2014 9:07:08 PM

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Vulnerability Summary for CVE-2006-6939

Original release date: 01/16/2007
Last revised: 03/07/2011
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):
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 (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: SECUNIA
Name: 24054
External Source: SECUNIA
Name: 23832
External Source: XF
Name: gnued-opensbuf-symlink(30374)
External Source: BID
Name: 22129
External Source: SECUNIA
Name: 23848
External Source: FEDORA
Name: FEDORA-2007-100
External Source: FEDORA
Name: FEDORA-2007-099
External Source: VUPEN
Name: ADV-2006-4573
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-962
External Source: TRUSTIX
Name: 2007-0005
External Source: MANDRIVA
Name: MDKSA-2007:023
External Source: CONFIRM
Name: http://freshmeat.net/projects/ed/?branch_id=17855&release_id=240890
External Source: SECUNIA
Name: 23857

Vulnerable software and versions

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* cpe:/a:gnu:ed:0.2 and previous versions
* Denotes Vulnerable Software
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