Project

General

Profile

Actions

Security #6306

closed

mime: quadratic complexity in MimeDecAddEntity

Added by Philippe Antoine about 1 year ago. Updated about 1 year ago.

Status:
Closed
Priority:
Normal
Target version:
Affected Versions:
Label:
CVE:
Git IDs:
Severity:
CRITICAL
Disclosure Date:

Description

Found by quadfuzz

500 kilobytes pcap takes 40 seconds to process, just spending time adding to a linked list

The fuzz input to fuzz_mimedecparseline is

content-Type:;boundary=;

--

--

--

With the lines repeating many times

Solution to add to a linked list should be to keep the tail known


Files

lol.pcap (438 KB) lol.pcap Philippe Antoine, 09/11/2023 02:44 PM

Subtasks 1 (0 open1 closed)

Security #6363: mime: quadratic complexity in MimeDecAddEntity (6.0.x backport)ClosedPhilippe AntoineActions
Actions

Also available in: Atom PDF