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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:
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http://secunia.com/advisories/44547/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=44547

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
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http://secunia.com/vulnerability_scanning/personal/
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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:
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vulnerabilities.

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