CVE-2016-8652

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 94%
VendorProductVersion
dovecotdovecot
𝑥
≤ 2.2.27
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
dovecot
bullseye
1:2.3.13+dfsg1-2+deb11u1
fixed
jessie
not-affected
wheezy
not-affected
bullseye (security)
1:2.3.13+dfsg1-2+deb11u2
fixed
bookworm
1:2.3.19.1+dfsg1-2.1+deb12u1
fixed
bookworm (security)
1:2.3.19.1+dfsg1-2.1+deb12u1
fixed
sid
1:2.3.21.1+dfsg1-1
fixed
trixie
1:2.3.21.1+dfsg1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dovecot
yakkety
not-affected
xenial
not-affected
trusty
not-affected
precise
not-affected
Common Weakness Enumeration
References
http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html
http://www.openwall.com/lists/oss-security/2016/12/02/4
http://www.openwall.com/lists/oss-security/2016/12/05/12
http://www.securityfocus.com/bid/94639
http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html
http://www.openwall.com/lists/oss-security/2016/12/02/4
http://www.openwall.com/lists/oss-security/2016/12/05/12
http://www.securityfocus.com/bid/94639