CVE-2009-0537 Integer overflow in n/a
An integer overflow in libc allows local attackers to crash applications like du or rm via deep directory trees, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2009-0537?
CVE-2009-0537 is a medium-severity vulnerability in Openbsd Openbsd, published on 9 Mar 2009. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-189
Which versions are affected by CVE-2009-0537?
It affects 2 products.
Products include Microsoft Interix, Openbsd Openbsd.
How do I fix CVE-2009-0537?
No fix has been published for CVE-2009-0537 yet. Limit exposure of the affected software until one is available.
Is CVE-2009-0537 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-0537 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Openbsd Openbsd
Sources
Also known as GHSA-9fjq-qvpr-gcq2.