|
Citadel "migrate_aliases.sh" Insecure Temporary Files
|
|
Secunia Advisory:
|
SA31648
|
|
|
Release Date:
|
2008-08-28
|
|
Last Update:
|
2008-09-11
|
|
Popularity:
|
2,047 views
|
|
|
Critical:
|
Less critical
|
|
Impact:
|
Privilege escalation
|
|
Where:
|
Local system
|
|
Solution Status:
|
Unpatched
|
|
| Software: | Citadel 7.x
|
|
|
Subscribe:
|
Instant alerts on relevant vulnerabilities 
|
|
| CVE reference: | CVE-2008-3930
|
|
Description:
A security issue has been discovered in Citadel, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
The security issue is caused due to the "migrate_aliases.sh" script handling temporary files in an insecure manner. This can be exploited via symlink attacks to overwrite arbitrary files with the privileges of the user running the script.
The security issue is confirmed in Citadel Server version 7.37. Other versions may also be affected.
Solution:
Do not use the "migrate_aliases.sh" script in multi-user environments.
Provided and/or discovered by:
Reported by Dmitry E. Oboukhov in a Debian bug report.
Changelog:
2008-09-11: Added CVE reference.
Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496359
|
|
|
Track this Secunia Advisory
|
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.
Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.
|
|
|
About this Secunia Advisory
|
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
|
