CVE-2009-0537

Public Exploit

Description

Integer overflow in the fts_build function in fts.c in libc in (1) OpenBSD 4.4 and earlier and (2) Microsoft Interix 6.0 build 10.0.6030.0 allows context-dependent attackers to cause a denial of service (application crash) via a deep directory tree, related to the fts_level structure member, as demonstrated by (a) du, (b) rm, (c) chmod, and (d) chgrp on OpenBSD; and (e) SearchIndexer.exe on Vista Enterprise.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 4.50% Top 15%
Vendor Advisory openbsd.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/8163 exploit
http://www.securitytracker.com/id?1021818 vdb entry
http://securityreason.com/achievement_securityalert/60 third party advisory
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c.diff?r1=1.41%3Br2=1.42%3Bf=h
http://www.securityfocus.com/bid/34008 vdb entry exploit
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c vendor advisory
http://www.securityfocus.com/archive/1/501505/100/0/threaded mailing list

Frequently Asked Questions

What is the severity of CVE-2009-0537?
CVE-2009-0537 has been scored as a medium severity vulnerability.
How to fix CVE-2009-0537?
To fix CVE-2009-0537, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-0537 being actively exploited in the wild?
It is possible that CVE-2009-0537 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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