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TITLE:
RPM Package Manager Region Offset Parsing Vulnerabilities

SECUNIA ADVISORY ID:
SA46096

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46096/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46096

RELEASE DATE:
2011-09-30

DISCUSS ADVISORY:
http://secunia.com/advisories/46096/#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/46096/

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

https://ca.secunia.com/?page=viewadvisory&vuln_id=46096

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:
Some vulnerabilities have been reported in RPM Package Manager, which
can be exploited by malicious people to compromise a user's system.

1) A boundary error within the "headerLoad()" function (lib/header.c)
when parsing region offsets can be exploited to cause a buffer
overflow by tricking a user into e.g. checking signatures of a
specially crafted RPM package.

2) An error within the "regionSwab()" function (lib/header.c) when
parsing region offsets can be exploited to corrupt memory by tricking
a user into e.g. checking signatures of a specially crafted RPM
package.

Successful exploitation of the vulnerabilities may allow execution of
arbitrary code.

The vulnerabilities are reported in versions prior to 4.9.1.2.

SOLUTION:
Update to version 4.9.1.2.

PROVIDED AND/OR DISCOVERED BY:
Tavis Ormandy in a Red Hat bug.

ORIGINAL ADVISORY:
RPM Package Manager:
http://rpm.org/wiki/Releases/4.9.1.2#Security
http://rpm.org/gitweb?p=rpm.git;a=commit;h=11a7e5d95a8ca8c7d4eaff179094afd8bb74fc3f
http://rpm.org/gitweb?p=rpm.git;a=commit;h=a48f0e20cbe2ababc88b2fc52fb7a281d6fc1656

Tavis Ormandy:
https://bugzilla.redhat.com/show_bug.cgi?id=741606

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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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.

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