Home/CVE/Off-by-one error in the xlog function of mountd in the Linux NFS utils package (nfs-utils) before 1.0.4 allows remote at
CVE

CVE-2003-0252

Off-by-one error in the xlog function of mountd in the Linux NFS utils package (nfs-utils) before 1.0.4 allows remote at

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.

CRITICAL · CVSS 9.8 EPSS 0.16108
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 5% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-193Off-by-one Error
▤

Affected Products & Versions

1
linux-nfs nfs-utils< 1.0.4
⚠

Public Exploits & PoCs

1
pocisec.pl · isec-0010-linux-nfs-utils.txtisec.pl
◈

Detection Rules (IDS/IPS)

3
et-openGPL RPC mountd UDP mount path overflow attemptmisc-attack
et-openGPL RPC mountd TCP mount path overflow attemptmisc-attack
snort-communityPROTOCOL-RPC mountd TCP mount path overflow attemptmisc-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Aug 2003 · 04:00 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
rhsaRHSA-2003:207Important
rhsaRHSA-2003:206Important
🔗

References & Sources

18
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0023.htmlBroken LinkVendor Advisory
http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0024.htmlBroken LinkVendor Advisory
http://marc.info/?l=bugtraq&m=105820223707191&w=2ExploitMailing List
http://marc.info/?l=bugtraq&m=105830921519513&w=2Mailing ListPatch
http://marc.info/?l=bugtraq&m=105839032403325&w=2Mailing List
http://secunia.com/advisories/9259Broken Link
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