Secunia Security Advisory - Debian has issued an update for devscripts. This fixes some weaknesses, which can be exploited by malicious, local users to cause a DoS (Denial of Service) and by malicious people to cause a DoS (Denial of Service) and compromise a vulnerable system.
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TITLE:
Debian update for devscripts
SECUNIA ADVISORY ID:
SA50600
VERIFY ADVISORY:
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http://secunia.com/advisories/50600/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50600
RELEASE DATE:
2012-09-17
DISCUSS ADVISORY:
http://secunia.com/advisories/50600/#comments
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http://secunia.com/advisories/50600/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=50600
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DESCRIPTION:
Debian has issued an update for devscripts. This fixes some
weaknesses, which can be exploited by malicious, local users to cause
a DoS (Denial of Service) and by malicious people to cause a DoS
(Denial of Service) and compromise a vulnerable system.
1) Certain input passed to the dverify script is not properly
verified before being used as arguments for external commands and can
be exploited to execute arbitrary code via a specially crafted source
package.
2) Certain input passed to the dget script is not properly verified
when processing .dsc and .changes files and can be exploited to
delete arbitrary files via a specially crafted source package.
3) Certain input passed to the dget script is not properly sanitised
when processing .dsc and .changes files and can be exploited to
execute arbitrary code via a specially crafted source package.
4) A race condition error in the annotate-output script when handling
temporary files can be exploited to manipulate arbitrary files via
symbolic link attacks.
SOLUTION:
Apply updated packages via the apt-get package manager.
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1 - 3) Raphael Geissert
4) Jim Meyering, Red Hat
ORIGINAL ADVISORY:
DSA-2549-1:
http://www.debian.org/security/2012/dsa-2549
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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