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Secunia Security Advisory 44578

Secunia Security Advisory 44578
Posted May 12, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in NetBSD, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
systems | netbsd
MD5 | e5b105e03900238fa78eb882a645f88a

Secunia Security Advisory 44578

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TITLE:
NetBSD "fnmatch()" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA44578

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44578/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44578

RELEASE DATE:
2011-05-12

DISCUSS ADVISORY:
http://secunia.com/advisories/44578/#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/44578/

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=44578

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 NetBSD, which can be exploited
by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to the implementation of the
"fnmatch()" function not properly limiting its recursions, which can
be exploited to e.g. cause a high CPU consumption.

SOLUTION:
Fixed in the CVS repository.

PROVIDED AND/OR DISCOVERED BY:
Maksymilian Arciemowicz

ORIGINAL ADVISORY:
SecurityReason:
http://securityreason.com/achievement_securityalert/98

NetBSD:
http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/fnmatch.c.diff?r1=1.21&r2=1.22&f=h

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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