CVE-2016-8652 — Improper Input Validation in Dovecot

CWE-20 — Improper Input Validation7 documents6 sources
Severity
5.9MEDIUMNVD
EPSS
9.4%
top 7.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
DovecotDebian Dovecot
Timeline
PublishedFeb 17
Latest updateMay 17

Description

The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/dovecot< dovecot 1:2.2.27-1 (bookworm)
▶Debiandovecot/dovecot< 1:2.2.27-1+3
▶NVDdovecot/dovecot2.2.27

🔴Vulnerability Details

2
GHSA
GHSA-vm4w-qxvr-6wfp: The auth component in Dovecot before 2↗2022-05-17
▶
OSV
CVE-2016-8652: The auth component in Dovecot before 2↗2017-02-17
▶

📋Vendor Advisories

2
Red Hat
dovecot: Remote crash when auth-policy component is activated↗2016-11-29
▶
Debian
CVE-2016-8652: dovecot - The auth component in Dovecot before 2.2.27, when auth-policy is configured, all...↗2016
▶

💬Community

2
Bugzilla
CVE-2016-8652 dovecot: Remote crash when auth-policy component is activated [fedora-all]↗2016-12-02
▶
Bugzilla
CVE-2016-8652 dovecot: Remote crash when auth-policy component is activated↗2016-12-02
▶