Bug 1854036 (CVE-2020-15646)

Summary:	CVE-2020-15646 Mozilla: Automatic account setup leaks Microsoft Exchange login credentials
Product:	[Other] Security Response	Reporter:	msiddiqu
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	cschalle, gecko-bugs-nobody, jhorak, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	thunderbird 68.10.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-09-23 08:41:13 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:	1850731, 1850732, 1850734, 1850735, 1850736
Bug Blocks:	1850728

Description msiddiqu 2020-07-06 07:17:30 UTC

If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/#CVE-2020-15646

Comment 1 msiddiqu 2020-07-06 07:17:34 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Magnus Melin

Comment 2 Product Security DevOps Team 2020-09-23 08:41:13 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-15646