Vulnerability Details : CVE-2008-4476
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.
Products affected by CVE-2008-4476
- cpe:2.3:a:sympa:sympa:5.3.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2008-4476
0.02%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 4 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2008-4476
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST |
CWE ids for CVE-2008-4476
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2008-4476
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http://secunia.com/advisories/31458
About Secunia Research | FlexeraVendor Advisory
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https://exchange.xforce.ibmcloud.com/vulnerabilities/44499
Sympa sympa.pl symlink CVE-2008-4476 Vulnerability Report
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https://bugs.gentoo.org/show_bug.cgi?id=235770
235770 – (debian-tempfile) [Tracker] Tempfile issues found in Debian
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http://bugs.debian.org/496405
#496405 - The possibility of attack with the help of symlinks in some Debian packages - Debian Bug report logs
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http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494969
#494969 - sympa: Leftover debug code may lead to data loss - Debian Bug report logs
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http://www.openwall.com/lists/oss-security/2008/10/30/2
oss-security - CVE requests: tempfile issues for aview, mgetty, openoffice, crossfire
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http://dev.gentoo.org/~rbu/security/debiantemp/sympa
404 Not Found
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http://uvw.ru/report.lenny.txt
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http://www.securityfocus.com/bid/30727
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http://lists.debian.org/debian-devel/2008/08/msg00312.html
Re: Possible mass bug filing: The possibility of attack with the help of symlinks in some Debian packages
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