CVE-2003-1013

Name: CVE-2003-1013
Creator: NVD / NIST
Published: 2004-01-05T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.72%

Last modified Jun 16, 2026

CVE-2003-1013 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.. EPSS estimates a 2.72% chance of exploitation in the next 30 days.

Description

The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.72%

84.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Ethereal	Ethereal	< 0.10.0

References

ftp://patches.sgi.com/support/free/security/advisories/20040103-01-U.ascBroken Link
ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.ascBroken Link
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000801Broken Link
http://secunia.com/advisories/10531Broken Link
http://secunia.com/advisories/10568Broken Link
http://secunia.com/advisories/10570Broken Link
http://www.debian.org/security/2003/dsa-407Broken Link
http://www.ethereal.com/appnotes/enpa-sa-00012.htmlBroken Link, Patch, Vendor Advisory, URL Repurposed
http://www.mandriva.com/security/advisories?name=MDKSA-2004:002Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2004-001.htmlBroken Link, Patch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2004-002.htmlBroken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10097Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A857Broken Link
ftp://patches.sgi.com/support/free/security/advisories/20040103-01-U.ascBroken Link
ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.ascBroken Link
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000801Broken Link
http://secunia.com/advisories/10531Broken Link
http://secunia.com/advisories/10568Broken Link
http://secunia.com/advisories/10570Broken Link
http://www.debian.org/security/2003/dsa-407Broken Link
http://www.ethereal.com/appnotes/enpa-sa-00012.htmlBroken Link, Patch, Vendor Advisory, URL Repurposed
http://www.mandriva.com/security/advisories?name=MDKSA-2004:002Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2004-001.htmlBroken Link, Patch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2004-002.htmlBroken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10097Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A857Broken Link

Timeline

Published: Jan 5, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2003-1013?

The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

How severe is CVE-2003-1013?

CVE-2003-1013 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.72% probability of exploitation in the next 30 days.

How do I fix CVE-2003-1013?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2003-1013?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST