Bug 1463642 (CVE-2017-7508, CVE-2017-7520, CVE-2017-7521, CVE-2017-7522)

Summary: CVE-2017-7508 CVE-2017-7520 CVE-2017-7521 CVE-2017-7522 openvpn: Multiple security issues fixed in OpenVPN 2.4.3 and 2.3.17
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: amaris, dazo, huzaifas, mauricio.teixeira, skontar, steve
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: openvpn 2.4.3, openvpn 2.3.17 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-08-24 09:22:52 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1463643, 1463644    
Bug Blocks: 1463872    

Description Adam Mariš 2017-06-21 12:17:09 UTC
Multiple security issues were fixed in OpenVPN 2.4.3 and 2.3.17, specifically:

CVE-2017-7508: Remotely-triggerable ASSERT() on malformed IPv6 packet


CVE-2017-7520: Pre-authentication remote crash/information disclosure for clients


CVE-2017-7521: Issues in extract_x509_extension() leading to server memory drain/crash/double-free


CVE-2017-7522: Post-authentication remote DoS when using the --x509-track option


External References:


Comment 1 Adam Mariš 2017-06-21 12:17:28 UTC

Name: the OpenVPN project
Upstream: Guido Vranken

Comment 2 Adam Mariš 2017-06-21 12:17:50 UTC
Created openvpn tracking bugs for this issue:

Affects: epel-all [bug 1463644]
Affects: fedora-all [bug 1463643]

Comment 9 Vincent Danen 2017-06-23 17:03:51 UTC

This issue does not affect Red Hat Enterprise Linux 5, 6 and 7 as OpenVPN is not included in any of Red Hat's supported products.