CVE-2021-37845

NameCVE-2021-37845
DescriptionAn issue was discovered in Citadel through webcit-932. A meddler-in-the-middle attacker can fixate their own session during the cleartext phase before a STARTTLS command (a violation of "The STARTTLS command is only valid in non-authenticated state." in RFC2595). This potentially allows an attacker to cause a victim's e-mail messages to be stored into an attacker's IMAP mailbox, but depends on details of the victim's client behavior.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
citadelsource(unstable)(unfixed)

Notes

[buster] - citadel <ignored> (Minor issue)
[stretch] - citadel <postponed> (Minor issue, revisit when fixed upstream)
https://uncensored.citadel.org/readfwd?go=Citadel Security?view=0?start_reading_at=2099264259#2099264259
https://nostarttls.secvuln.info/
CVE-2020-29547 and CVE-2021-37845 seem like dupes
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