Bug 2002241 (CVE-2021-33880) - CVE-2021-33880 python-websockets: password guessable via timing attack
Summary: CVE-2021-33880 python-websockets: password guessable via timing attack
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-33880
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2002242
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-09-08 10:42 UTC by msiddiqu
Modified: 2021-09-09 00:21 UTC (History)
2 users (show)

Fixed In Version:
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Last Closed: 2021-09-09 00:21:43 UTC
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Description msiddiqu 2021-09-08 10:42:10 UTC 
The aaugustin websockets library before 9.1 for Python has an Observable Timing Discrepancy on servers when HTTP Basic Authentication is enabled with basic_auth_protocol_factory(credentials=...). An attacker may be able to guess a password via a timing attack.

References: 
 
https://github.com/aaugustin/websockets/commit/547a26b685d08cac0aa64e5e65f7867ac0ea9bc0
Comment 1 msiddiqu 2021-09-08 10:42:28 UTC 
Created python-websockets tracking bugs for this issue:

Affects: fedora-all [bug 2002242]
Comment 2 Product Security DevOps Team 2021-09-09 00:21:43 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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