CVE-2017-15130

A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.
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: 77%
VendorProductVersion
dovecotdovecot
𝑥
< 2.2.34
debiandebian_linux
8.0
debiandebian_linux
9.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
17.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
dovecot
bullseye
1:2.3.13+dfsg1-2+deb11u1
fixed
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
artful
Fixed 1:2.2.27-3ubuntu1.3
released
xenial
Fixed 1:2.2.22-1ubuntu2.7
released
trusty
Fixed 1:2.2.9-1ubuntu2.4
released
Common Weakness Enumeration
References
http://seclists.org/oss-sec/2018/q1/205
https://bugzilla.redhat.com/show_bug.cgi?id=1532356
https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
https://usn.ubuntu.com/3587-1/
https://usn.ubuntu.com/3587-2/
https://www.debian.org/security/2018/dsa-4130
https://www.dovecot.org/list/dovecot-news/2018-February/000370.html
http://seclists.org/oss-sec/2018/q1/205
https://bugzilla.redhat.com/show_bug.cgi?id=1532356
https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
https://usn.ubuntu.com/3587-1/
https://usn.ubuntu.com/3587-2/
https://www.debian.org/security/2018/dsa-4130
https://www.dovecot.org/list/dovecot-news/2018-February/000370.html