CVE-2019-11499 — Reachable Assertion in Dovecot

CWE-617 — Reachable Assertion8 documents7 sources
Severity
7.5HIGHNVD
EPSS
1.3%
top 20.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
DovecotDebian DovecotFedoraproject Fedora+1 more
Timeline
PublishedMay 8
Latest updateMay 24

Description

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/dovecot< dovecot 1:2.3.4.1-5 (bookworm)
▶Debiandovecot/dovecot< 1:2.3.4.1-5+3
▶NVDdovecot/dovecot2.3.3 — 2.3.5.2
▶NVDopensuse/leap15.0, 15.1+1

Also affects: Fedora 29, 30

🔴Vulnerability Details

2
GHSA
GHSA-v7jr-wfqh-v962: In the IMAP Server in Dovecot 2↗2022-05-24
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OSV
CVE-2019-11499: In the IMAP Server in Dovecot 2↗2019-05-08
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📋Vendor Advisories

3
Red Hat
dovecot: unacceptable authentication message in AUTH PLAIN over TLS leads to crash and possible DoS↗2019-04-30
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Ubuntu
Dovecot vulnerabilities↗2019-04-30
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Debian
CVE-2019-11499: dovecot - In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login compon...↗2019
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💬Community

2
Bugzilla
CVE-2019-11499 dovecot: unacceptable authentication message in AUTH PLAIN over TLS leads to crash and possible DoS↗2019-05-13
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Bugzilla
CVE-2019-11499 dovecot: unacceptable authentication message in AUTH PLAIN over TLS leads to crash and possible DoS [fedora-all]↗2019-05-13
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