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Secunia Security Advisory 44547

Secunia Security Advisory 44547
Posted May 19, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in klibc, which can be exploited by malicious people to compromise a vulnerable system.

tags | advisory
SHA-256 | ef3e860ebb85463f84e2c4f292232f096c6e968f7cde876b8dba02ed0a98d9b3

Secunia Security Advisory 44547

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TITLE:
klibc DHCP Response Processing Input Sanitation Vulnerability

SECUNIA ADVISORY ID:
SA44547

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44547/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44547

RELEASE DATE:
2011-05-20

DISCUSS ADVISORY:
http://secunia.com/advisories/44547/#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/44547/

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=44547

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:
A vulnerability has been reported in klibc, which can be exploited by
malicious people to compromise a vulnerable system.

The vulnerability is caused due to certain shell meta-characters not
being stripped or escaped when processing responses from a DHCP
server. This can be exploited to inject arbitrary shell commands via
specially crafted DHCP response.

The vulnerability is reported in versions prior to 1.5.22.

SOLUTION:
Update to version 1.5.22.

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

ORIGINAL ADVISORY:
http://www.zytor.com/pipermail/klibc/2011-May/002907.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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.

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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