Secunia Security Advisory - John Goerzen has reported a vulnerability in gopher, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
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TITLE:
UMN Gopher Insecure Temporary File Creation
SECUNIA ADVISORY ID:
SA16275
VERIFY ADVISORY:
http://secunia.com/advisories/16275/
CRITICAL:
Less critical
IMPACT:
Privilege escalation
WHERE:
Local system
SOFTWARE:
UMN Gopher 3.x
http://secunia.com/product/1860/
UMN Gopher 2.x
http://secunia.com/product/1859/
DESCRIPTION:
John Goerzen has reported a vulnerability in gopher, which can be
exploited by malicious, local users to perform certain actions on a
vulnerable system with escalated privileges.
The vulnerability is caused due to temporary files being created
insecurely in "/tmp" by "gopher.c". This can be exploited via symlink
attacks to create or overwrite arbitrary files with the privileges of
the user running the affected application.
The vulnerability affects versions prior to 3.0.8.
SOLUTION:
Update to version 3.0.8 or later.
PROVIDED AND/OR DISCOVERED BY:
John Goerzen
ORIGINAL ADVISORY:
Debian:
http://www.debian.org/security/2005/dsa-770
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