Description
The compile_tree function in ef_compiler.c in the Etterfilter utility in Ettercap 0.8.2 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted filter.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | ettercap | 1:0.8.2-4 | — |
| Debian 12 | ettercap | 1:0.8.2-4 | — |
| Debian 8 | ettercap | 1:0.8.1-3+deb8u1 | DSA-3874-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | ettercap | 1:0.8.2-2ubuntu1.16.04.1 | — |
| Ubuntu 14.04 LTS | ettercap | 1:0.8.0-11ubuntu0.3 | — |
Advisories 1
- DSA-3874-1 ettercap - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- 20170306 CVE-2017-6430: Out-of-Bounds Read (DOS) Vulnerability in Ettercap Etterfilter utility mailing-list
- 96582 vdb-entry
- DSA-3874 vendor-advisory
- https://github.com/LocutusOfBorg/ettercap/commit/626dc56686f15f2dda13c48f78c2a666cb6d8506
- https://github.com/Ettercap/ettercap/issues/782
- 1038057 vdb-entry