NULL pointer dereference in Ethereal

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2003-1013: held from 0.027 to 0.027.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2003-1013?
CVE-2003-1013 is a high-severity vulnerability in Ethereal, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2004-01-05.
How severe is CVE-2003-1013?
High severity. CVSS v3 base score is 7.5 out of 10.