Bug 1860414 (CVE-2020-15917)

Summary:	CVE-2020-15917 claws-mail: protocol violation because suffix data after STARTTLS is mishandled
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	andreas.bierfert, bugs.michael
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:	2020-07-24 19:27:41 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:	1860415
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2020-07-24 13:48:55 UTC

common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.

Reference:
https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES

Upstream commit:
https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5

Comment 1 Guilherme de Almeida Suckevicz 2020-07-24 13:49:09 UTC

Created claws-mail tracking bugs for this issue:

Affects: fedora-all [bug 1860415]

Comment 2 Product Security DevOps Team 2020-07-24 19:27:41 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.