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Bug 807613 (CVE-2021-38370)

Summary: mail-client/alpine: STARTTLS vulnerabilities (CVE-2021-38370)
Product: Gentoo Security Reporter: John Helmert III <ajak>
Component: VulnerabilitiesAssignee: Gentoo Security <security>
Status: CONFIRMED ---    
Severity: minor CC: gentoo.2019, proxy-maint
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
See Also:
Whiteboard: B3 [ebuild]
Package list:
Runtime testing required: ---
Bug Depends on:    
Bug Blocks: 807352    

Description John Helmert III gentoo-dev Security 2021-08-10 20:04:32 UTC

In Alpine through 2.24, untagged responses from an IMAP server are accepted before STARTTLS.

There's also an issue described on the NO STARTTLS website that says "Crash
when LIST or LSUB send before STARTTLS". Both the status of this issue and the
CVE are "Unknown (reported via email).
Comment 1 John Helmert III gentoo-dev Security 2021-08-10 20:05:32 UTC
The vulnerability described in this bug was also in the NO STARTTLS report.