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Secunia Security Advisory 50178

Secunia Security Advisory 50178
Posted Aug 8, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Red Hat has issued an update for sudo. This fixes a security issue, which can be exploited by malicious, local users to manipulate certain data.

tags | advisory, local
systems | linux, redhat
MD5 | 741f187fe18a9dab4aeacab57e8610b8

Secunia Security Advisory 50178

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TITLE:
Red Hat update for sudo

SECUNIA ADVISORY ID:
SA50178

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/50178/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50178

RELEASE DATE:
2012-08-08

DISCUSS ADVISORY:
http://secunia.com/advisories/50178/#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/50178/

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=50178

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:
Red Hat has issued an update for sudo. This fixes a security issue,
which can be exploited by malicious, local users to manipulate
certain data.

The security issue is caused due to a race condition error within the
%postun (post-uninstall) script when performing an upgrade or the
removal of the sudo package. This can be exploited to overwrite an
arbitrary file via a symbolic link attack or modify the contents of
the /etc/nsswitch.conf file.

SOLUTION:
Updated packages are available via Red Hat Network.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
RHSA-2012:1149-1:
https://rhn.redhat.com/errata/RHSA-2012-1149.html

Red Hat Bug#844442:
https://bugzilla.redhat.com/show_bug.cgi?id=844442

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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