Description
The dissect_attribute_value_pairs function in packet-radius.c for Ethereal 0.8.13 to 0.10.2 allows remote attackers to cause a denial of service (crash) via a malformed RADIUS packet that triggers a null dereference.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | ethereal +1 | 0.10.3-0.30E.1 | RHSA-2004:136 |
Advisories 1
- RHSA-2004:136 Red Hat Security Advisory: ethereal security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- GLSA-200403-07 vendor-advisory
- RHSA-2004:137 vendor-advisory
- RHSA-2004:136 vendor-advisory
- 11185 third-party-advisory
- 20040329 LNSA-#2004-0007: Multiple security problems in Ethereal mailing-list
- CLA-2004:835 vendor-advisory
- oval:org.mitre.oval:def:891 vdb-entry signature
- oval:org.mitre.oval:def:9196 vdb-entry signature
- oval:org.mitre.oval:def:879 vdb-entry signature
- http://www.ethereal.com/appnotes/enpa-sa-00013.html
- 20040416 [OpenPKG-SA-2004.015] OpenPKG Security Advisory (ethereal) mailing-list
- VU#124454 third-party-advisory
- [ethereal-dev] 20040318 ethereal radius dissector vulnerability mailing-list
- ethereal-radius-dos(15571) vdb-entry
- MDKSA-2004:024 vendor-advisory