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MEDIUM · 4.9

CVE-2009-0537

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 servi...

Vulnerability 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.

CVSS Score

4.9

MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C
Confidentiality
NONE
Integrity
NONE
Availability
COMPLETE

Affected Products

VendorProductVersions
MicrosoftInterix6.0
OpenbsdOpenbsd<= 4.4

Related Weaknesses (CWE)

CWE-189

References

FAQ

What is CVE-2009-0537?

CVE-2009-0537 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 servi...

How severe is CVE-2009-0537?

CVE-2009-0537 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2009-0537?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Interix, Openbsd Openbsd.