Bug 1782785 (CVE-2019-19722)

Summary: CVE-2019-19722 dovecot: null pointer dereference in push notification driver
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: anon.amish, bennie.joubert, janfrode, mailinglists, mhlavink, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: dovecot 2.3.9.1 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-01-16 13:30:24 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: 1783256    
Bug Blocks: 1782787    

Description Dhananjay Arunesh 2019-12-12 10:38:17 UTC
A vulnerability was found in dovecot before version 2.3.9.1 where mail with group address as sender will cause a signal 11 crash in push notification drivers. Group address as recipient can cause crash in some drivers.

Comment 3 msiddiqu 2019-12-13 13:03:18 UTC
Created dovecot tracking bugs for this issue:

Affects: fedora-all [bug 1783256]

Comment 4 Huzaifa S. Sidhpurwala 2020-01-16 13:29:32 UTC
Statement:

The vulnerable functionality is not present in the versions of dovecot package in Red Hat Products therefore they are not affected by this flaw.