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Bug #4320

closed

Heap use after free in parsing signatures with ip_proto and prefilter

Added by Philippe Antoine about 3 years ago. Updated over 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Philippe Antoine
Target version:
7.0.0-beta1
Affected Versions:
git master
Effort:
Difficulty:
Label:
Needs backport to 5.0, Needs backport to 6.0

Description

Found by oss-fuzz
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30498

Reproducer is

alert http any any -> any any ttl:4;prefilter;s
alert ip any any -> any any content:" ";ip_proto:7;prefilter;

Related issues 2 (0 open — 2 closed)

Copied to Suricata - Bug #4322: Heap use after free in parsing signatures with ip_proto and prefilterClosedJeff LucovskyActions
Copied to Suricata - Bug #4323: Heap use after free in parsing signatures with ip_proto and prefilterClosedVictor JulienActions
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