Secunia Security Advisory - Ubuntu has issued an update for GNU C Library. This fixes a weakness and multiple vulnerabilities, which can be exploited by malicious, local users to disclose sensitive information, cause a DoS (Denial of Service), and gain escalated privileges and by malicious people to cause a DoS and compromise a vulnerable system.
b0614bfb2ceb80383121e12fc0a2f79b6fcfb59fdefd82f471394b4abb0be8eb
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TITLE:
Ubuntu update for GNU C Library
SECUNIA ADVISORY ID:
SA48383
VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48383/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48383
RELEASE DATE:
2012-03-12
DISCUSS ADVISORY:
http://secunia.com/advisories/48383/#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/48383/
ONLY AVAILABLE IN CUSTOMER AREA:
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* Report Reliability
* Secunia PoC
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* Systems Affected
* Approve Distribution
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* Secunia CVSS Score
* CVSS
https://ca.secunia.com/?page=viewadvisory&vuln_id=48383
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 GNU C Library. This fixes a weakness
and multiple vulnerabilities, which can be exploited by malicious,
local users to disclose sensitive information, cause a DoS (Denial of
Service), and gain escalated privileges and by malicious people to
cause a DoS and compromise a vulnerable system.
For more information:
SA38238
SA43492
SA43976
SA44353
SA47064
SA47567
1) The vulnerability is caused due to a signedness error when
handling "memcpy()" (sysdeps/i386/i686/multiarch/memcpy-ssse3.S)
calls optimised for Supplemental Streaming SIMD Extensions 3 (SSSE3),
which can be exploited to cause a buffer overflow.
SOLUTION:
Apply updated packages.
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
PROVIDED AND/OR DISCOVERED BY:
1) c0ntex
ORIGINAL ADVISORY:
USN-1396-1:
http://www.ubuntu.com/usn/usn-1396-1/
c0ntex:
http://www.nodefense.org/eglibc.txt
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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