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Secunia Security Advisory 48351

Secunia Security Advisory 48351
Posted Mar 14, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Ubuntu has issued an update for gdm-guest-session. This fixes a security issue, which can be exploited by malicious people with physical access to manipulate certain data.

tags | advisory
systems | linux, ubuntu
MD5 | 8a166f12a4188f609bda079201acc943

Secunia Security Advisory 48351

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TITLE:
Ubuntu update for gdm-guest-session

SECUNIA ADVISORY ID:
SA48351

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48351/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48351

RELEASE DATE:
2012-03-14

DISCUSS ADVISORY:
http://secunia.com/advisories/48351/#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/48351/

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=48351

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:
Ubuntu has issued an update for gdm-guest-session. This fixes a
security issue, which can be exploited by malicious people with
physical access to manipulate certain data.

The security issue is caused due to an error in the
guest-session-cleanup.sh script when cleaning up temporary files from
a guest session and can be exploited to delete arbitrary files from
the last current working directory of a previously logged-in user.

SOLUTION:
Apply updated packages.

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

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Ryan Lortie.

ORIGINAL ADVISORY:
USN-1399-1:
http://www.ubuntu.com/usn/usn-1399-1

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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