Bug 908425 (CVE-2013-1622)

Summary: CVE-2013-1622 polarssl: improper MAC check if sanity check fails leads to DoS
Product: [Other] Security Response Reporter: Vincent Danen <vdanen>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: mads
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard: impact=low,public=20130204,reported=20130204,source=internet,cvss2=2.6/AV:N/AC:H/Au:N/C:N/I:N/A:P,fedora-all/polarssl=affected
Fixed In Version: polarssl 1.2.5 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-27 20:20:59 EST Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On: 907982    
Bug Blocks: 907592    

Description Vincent Danen 2013-02-06 11:49:04 EST
In addition to the fix for CVE-2013-0169, PolarSSL 1.2.5 corrects the following problem:

"PolarSSL ... it does not perform any MAC check if this
sanity check fails, but instead exits immediately. This would
render the implementation vulnerable to a simple timing-based
distinguishing attack." (requires a non-default configuration with
"TLS alert messages when decryption errors are encountered")
Comment 1 Vincent Danen 2013-02-06 11:51:23 EST
Created polarssl tracking bugs for this issue

Affects: fedora-all [bug 907982]
Comment 2 Mads Kiilerich 2013-02-27 20:20:59 EST
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1622 says
ConsultIDs: none.
Reason: This candidate is not a security issue. Further investigation showed that, because of RFC noncompliance, no version or configuration of the product had the vulnerability previously associated with this ID.
Notes: none.