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Bug 728300 (CVE-2020-14093, CVE-2020-14154)

Summary: [Tracker] Mutt mishandling of TLS (CVE-2020-{14093,14154})
Product: Gentoo Security Reporter: Sam James <sam>
Component: VulnerabilitiesAssignee: Gentoo Security <security>
Status: RESOLVED FIXED    
Severity: normal    
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---
Bug Depends on: 728294, 728302    
Bug Blocks: 807352    

Description Sam James archtester gentoo-dev Security 2020-06-14 22:58:30 UTC
1) A possible IMAP man-in-the-middle attack.  No credentials 
are exposed, but could result in unintended emails being "saved" to an 
attacker's server.  The $ssl_starttls quadoption is now used to check 
for an unencrypted PREAUTH response from the server.


2) A problem with GnuTLS certificate prompting. "Rejecting" an expired intermediate cert did not terminate the 
connection.