Home / vulnerabilities Secunia Security Advisory 51793
Posted on 19 January 2013
Source : packetstormsecurity.org Link
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TITLE:
bcron "bcron-exec" File Descriptor Handling Security Issue
SECUNIA ADVISORY ID:
SA51793
VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51793/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51793
RELEASE DATE:
2013-01-18
DISCUSS ADVISORY:
http://secunia.com/advisories/51793/#comments
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http://secunia.com/advisories/51793/
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DESCRIPTION:
A security issue has been reported in bcron, which can be exploited
by malicious, local users to perform certain actions with escalated
privileges.
The security issue is caused due to the "bcron-exec" utility
insecurely handling file descriptors for temporary files, which can
be exploited to overwrite the files with arbitrary content.
The security issue is reported in version 0.09. Prior versions may
also be affected.
SOLUTION:
Update to version 0.10.
PROVIDED AND/OR DISCOVERED BY:
Anton Khalikov in a Debian bug report.
ORIGINAL ADVISORY:
http://untroubled.org/bcron/NEWS
Anton Khalikov:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686650
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
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