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Secunia Security Advisory 51793

Secunia Security Advisory 51793
Posted Jan 18, 2013
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A security issue has been reported in bcron, which can be exploited by malicious, local users to perform certain actions with escalated privileges.

tags | advisory, local
SHA-256 | 953fa8c7bdaf72e0497c89f8a6493340944d0e339f08fb4f52fd7c83dc9b594f

Secunia Security Advisory 51793

Change Mirror Download
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The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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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

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/51793/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=51793

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

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/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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