National Cyber-Alert System
Vulnerability Summary for CVE-2008-4476
Original release date:10/07/2008
Last revised:08/20/2009
Source:
US-CERT/NIST
Overview
sympa.pl in sympa 5.3.4 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/sympa_aliases.$$ temporary file. NOTE: wwsympa.fcgi was also reported, but the issue occurred in a dead function, so it is not a vulnerability.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://bugs.gentoo.org/show_bug.cgi?id=235770
External Source: XF
Name: sympa-sympa-symlink(44499)
External Source: BID
Name: 30727
External Source: MLIST
Name: [oss-security] 20081030 CVE requests: tempfile issues for aview, mgetty, openoffice, crossfire
External Source: MISC
Name: http://uvw.ru/report.lenny.txt
External Source: SECUNIA
Name: 31458
Type: Advisory
External Source: MLIST
Name: [debian-devel] 20080812 Re: Possible mass bug filing: The possibility of attack with the help of symlinks in some Debian packages
External Source: CONFIRM
Name: http://dev.gentoo.org/~rbu/security/debiantemp/sympa
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494969
External Source: CONFIRM
Name: http://bugs.debian.org/496405