Secunia Security Advisory - A security issue has been reported in SystemImager, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
b86a2ff45f2aee8400b99722dcda1cae022399f4bc56b827c5b235f3c249d084
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TITLE:
SystemImager "si_mkbootserver" Insecure Temporary Files
SECUNIA ADVISORY ID:
SA32820
VERIFY ADVISORY:
http://secunia.com/advisories/32820/
CRITICAL:
Less critical
IMPACT:
Privilege escalation
WHERE:
Local system
SOFTWARE:
SystemImager 4.x
http://secunia.com/advisories/product/20540/
DESCRIPTION:
A security issue has been reported in SystemImager, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.
The security issue is caused due to the "sbin/si_mkbootserver" script
using temporary files in an insecure manner. This can be exploited to
overwrite arbitrary files via symlink attacks.
The security issue affects version 4.0.2. Other versions may also be
affected.
SOLUTION:
Restrict local access to trusted users only.
PROVIDED AND/OR DISCOVERED BY:
Reported by Dmitry E. Oboukhov via the "debian-devel" mailing list.
ORIGINAL ADVISORY:
http://lists.debian.org/debian-devel/2008/08/msg00347.html
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