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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:269401
[Rus]
Version
2
Class
vulnerability
ALTXid
502917
Language
English
Severity
NotAvailable
Title
Vulnerability in netty-codec-http before 4.1.108 (CVE-2024-29025)
Description
### SummaryThe `HttpPostRequestDecoder` can be tricked to accumulate data. I have spotted currently two attack vectors ### Details1. While the decoder can store items on the disk if configured so, there are no limits to the number of fields the form can have, an attacher can send a chunked post consisting of many small fields that will be accumulated in the `bodyListHttpData` list.2. The decoder cumulates bytes in the `undecodedChunk` buffer until it can decode a field, this field can cumulate data without limits### PoCHere is a Netty branch that provides a fix + tests : https://github.com/vietj/netty/tree/post-request-decoderHere is a reproducer with Vert.x (which uses this decoder) https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3### ImpactAny Netty based HTTP server that uses the `HttpPostRequestDecoder` to decode a form.
Family
unix
Product
netty-codec-http
Reference
3rdPartyLinux: Jar
3rdPartyLinux: Jar
Id:
Jar
Reference:
https://github.com/advisories?query=cve:CVE-2024-29025+type:reviewed+ecosystem:maven
CVE: CVE-2024-29025
CVE: CVE-2024-29025
Id:
CVE-2024-29025
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-29025
Comment
: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. The `HttpPostRequestDecoder` can be tricked to accumulate data. While the decoder can store items on the disk if configured so, there are no limits to the number of fields the form can have, an attacher can send a chunked post consisting of many small fields that will be accumulated in the `bodyListHttpData` list. The decoder cumulates bytes in the `undecodedChunk` buffer until it can decode a field, this field can cumulate data without limits. This vulnerability is fixed in 4.1.108.Final.
References:
https://github.com/netty/netty/security/advisories/GHSA-5jpm-x58v-624v ()
https://github.com/netty/netty/commit/0d0c6ed782d13d423586ad0c71737b2c7d02058c ()
https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3 ()
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