Bug 1934453 (CVE-2021-24115)

Summary:	CVE-2021-24115 botan: constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	bkircher, thomas.moschny
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-03-03 13:02:01 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1934457, 1934455, 1934456, 1934458
Bug Blocks:

Description Marian Rehak 2021-03-03 10:15:07 UTC

In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).

Reference:

https://botan.randombit.net/news.html
https://github.com/randombit/botan/compare/2.17.2...2.17.3
https://github.com/randombit/botan/pull/2549

Comment 1 Marian Rehak 2021-03-03 10:16:11 UTC

Created botan tracking bugs for this issue:

Affects: epel-7 [bug 1934457]
Affects: fedora-all [bug 1934455]


Created botan2 tracking bugs for this issue:

Affects: epel-8 [bug 1934458]
Affects: fedora-all [bug 1934456]

Comment 2 Product Security DevOps Team 2021-03-03 13:02:01 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.