Bug 1974694 (CVE-2021-33833)

Summary: CVE-2021-33833 connman: stack based buffer overflow in uncompress in dnsproxy.c
Product: [Other] Security Response Reporter: Marian Rehak <mrehak>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: extras-orphan
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: connman 1.39 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-10-28 05:29:57 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: 1974695    
Bug Blocks:    

Description Marian Rehak 2021-06-22 10:34:47 UTC 
ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).

Reference:

http://www.openwall.com/lists/oss-security/2021/06/09/1
https://lore.kernel.org/connman/
Comment 1 Marian Rehak 2021-06-22 10:35:10 UTC 
Created connman tracking bugs for this issue:

Affects: fedora-all [bug 1974695]