CVE-2009-0537: microsoft interix Numeric Errors
Vulnerability summary
CVE-2009-0537 is a medium (CVSS 4.9) Numeric Errors vulnerability in microsoft interix. EPSS estimates a 3.59% chance of exploitation in the next 30 days, higher than 89.3% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 09-03-2009PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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 metrics
1 score · 1 source · 1 versionEPSS trend
Probability
3.59%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.59% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (securityfocus.com)
Maturity: unknown
Libc - 'libc:fts_*()' Local Denial of Service
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- interix6.0
Openbsd1 product
- openbsdEOL≤ 4.4 | 2.0 | 2.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 | 2.9 | 3.0 | 3.1 | 3.2 | 3.3 | 3.4 | 3.5 | 3.6 | 3.7 | 3.8 | 3.9 | 4.0 | 4.1 | 4.2 | 4.3
2 vendors · 2 products