CVE-2003-0252

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2003-08-18 · updated 2026-06-16
Weakness: CWE-193

Description

Off-by-one error in the xlog function of mountd in the Linux NFS utils package (nfs-utils) before 1.0.4 allows remote attackers to cause a denial of service and possibly execute arbitrary code via certain RPC requests to mountd that do not contain newlines.

Affected products

Linux-Nfs Nfs-Utils: before 1.0.4 — fixed in 1.0.4

How to fix

Upgrade to a fixed version: Linux-Nfs Nfs-Utils 1.0.4. Check the vendor advisory for mitigations.

References

http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0023.html
http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0024.html
http://isec.pl/vulnerabilities/isec-0010-linux-nfs-utils.txt
http://marc.info/?l=bugtraq&m=105820223707191&w=2
http://marc.info/?l=bugtraq&m=105830921519513&w=2
http://marc.info/?l=bugtraq&m=105839032403325&w=2
http://secunia.com/advisories/9259
http://securitytracker.com/id?1007187
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1001262.1-1
http://www.debian.org/security/2003/dsa-349
http://www.kb.cert.org/vuls/id/258564
http://www.mandriva.com/security/advisories?name=MDKSA-2003:076

Get alerted when CVE-2003-0252 or the next vulnerability affects your stack