Vulnerability Details : CVE-2008-4998
postinst in twiki 4.1.2 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/twiki temporary file. NOTE: the vendor disputes this vulnerability, stating "this bug is invalid.
Products affected by CVE-2008-4998
- cpe:2.3:a:twiki:twiki:4.1.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2008-4998
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2008-4998
| 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-2008-4998
-
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-2008-4998
-
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494648
#494648 - The possibility of attack with the help of symlinks in some Debian packages - Debian Bug report logs
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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://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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https://bugs.gentoo.org/show_bug.cgi?id=235802
235802 – (CVE-2008-4998) www-apps/twiki: audit wrt insecure temp file usage
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