Bug 1928739 (CVE-2021-20213)

Summary: CVE-2021-20213 privoxy: dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled
Product: [Other] Security Response Reporter: msiddiqu
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: cheese, gwync, karsten
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Privoxy 3.0.29 Doc Type: If docs needed, set a value
Doc Text:
Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-02-15 16:09:56 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: 1928740, 1928741    
Bug Blocks: 1928924    

Description msiddiqu 2021-02-15 13:22:42 UTC
Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.

Upstream Patch:

https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=7530132349

External References:

https://www.privoxy.org/3.0.29/user-manual/whatsnew.html

Comment 1 msiddiqu 2021-02-15 13:23:11 UTC
Created privoxy tracking bugs for this issue:

Affects: epel-all [bug 1928741]
Affects: fedora-all [bug 1928740]

Comment 2 Product Security DevOps Team 2021-02-15 16:09:56 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.