Secunia Security Advisory - A security issue has been reported in cronie, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
ac13a3aa63f04c927418b8d114e2b50c16cd6dc85f15deef6318d40650de831e
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TITLE:
cronie "crontab" Race Condition Security Issue
SECUNIA ADVISORY ID:
SA38700
VERIFY ADVISORY:
http://secunia.com/advisories/38700/
DESCRIPTION:
A security issue has been reported in cronie, which can be exploited
by malicious, local users to perform certain actions with escalated
privileges.
The security issue is caused due to a race condition within crontab
when setting mtime and atime values to a temporary file, which can be
exploited to reset the mtime and atime values of arbitrary files via
symlink attacks.
The security issue is reported in versions prior to 1.4.4.
SOLUTION:
Update to version 1.4.4.
https://fedorahosted.org/releases/c/r/cronie/cronie-1.4.4.tar.gz
PROVIDED AND/OR DISCOVERED BY:
Red Hat credits Dan Rosenberg.
ORIGINAL ADVISORY:
Red Hat Bug #565809:
https://bugzilla.redhat.com/show_bug.cgi?id=565809
http://git.fedorahosted.org/git/cronie.git?p=cronie.git;a=commit;h=9e4a8fa5f9171fb724981f53879c9b20264aeb61
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