CVE-2015-3420

The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures.
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
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 91%
VendorProductVersion
dovecotdovecot
𝑥
≤ 2.2.16
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
dovecot
bullseye
1:2.3.13+dfsg1-2+deb11u1
fixed
wheezy
not-affected
squeeze
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
vivid
not-affected
utopic
not-affected
trusty
not-affected
precise
not-affected
lucid
not-affected
Common Weakness Enumeration
References
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html
http://www.openwall.com/lists/oss-security/2015/04/27/1
http://www.openwall.com/lists/oss-security/2015/04/28/4
http://www.securityfocus.com/bid/74335
https://bugzilla.redhat.com/show_bug.cgi?id=1216057
https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html
https://dovecot.org/pipermail/dovecot/2015-April/100618.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html
http://www.openwall.com/lists/oss-security/2015/04/27/1
http://www.openwall.com/lists/oss-security/2015/04/28/4
http://www.securityfocus.com/bid/74335
https://bugzilla.redhat.com/show_bug.cgi?id=1216057
https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html
https://dovecot.org/pipermail/dovecot/2015-April/100618.html