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Security #6481

closed

http2: quadratic complexity in find_or_create_tx not bounded by max-tx

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

Status:
Closed
Priority:
Normal
Assignee:
Philippe Antoine
Target version:
8.0.0-beta1
Affected Versions:
Label:
CVE:
2024-23836
Git IDs:

80abc22f6475b6a87a33166729a871203f34d578

Severity:
CRITICAL
Disclosure Date:
01/16/2024

Description

As a single parsing round can create more transactions than max-tx
Found by oss-fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63345

Subtasks 2 (0 open — 2 closed)

Security #6531: http2: quadratic complexity in find_or_create_tx not bounded by max-tx (7.0.x backport)ClosedPhilippe AntoineActions
Security #6660: http2: quadratic complexity in find_or_create_tx not bounded by max-tx (6.0.x backport)ClosedPhilippe AntoineActions
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 #1

Updated by Philippe Antoine over 1 year ago

  • Status changed from New to In Review

Gitlab

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 #6

Updated by Victor Julien about 1 year ago

  • Severity changed from MODERATE to CRITICAL

Issue is about number of transactions created from a single block of data. Since the minimal size to create a tx is small, it can still be a very large number.

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