CVE-2020-10958

In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 81%
Affected Products (NVD)
VendorProductVersion
dovecotdovecot
𝑥
< 2.3.10.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
dovecot
bookworm
1:2.3.19.1+dfsg1-2.1+deb12u1
fixed
bookworm (security)
1:2.3.19.1+dfsg1-2.1+deb12u1
fixed
bullseye
1:2.3.13+dfsg1-2+deb11u1
fixed
bullseye (security)
1:2.3.13+dfsg1-2+deb11u2
fixed
jessie
not-affected
sid
1:2.3.21.1+dfsg1-1
fixed
stretch
not-affected
trixie
1:2.3.21.1+dfsg1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dovecot
bionic
not-affected
eoan
Fixed 1:2.3.4.1-5ubuntu3.1
released
focal
Fixed 1:2.3.7.2-1ubuntu3.1
released
trusty
not-affected
xenial
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
dovecot23
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
dovecot23-backend-mysql
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
dovecot23-backend-pgsql
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
dovecot23-backend-sqlite
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
dovecot23-devel
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
dovecot23-fts
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
dovecot23-fts-lucene
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
dovecot23-fts-solr
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
dovecot23-fts-squat
suse enterprise sap 15 SP1
2.3.10-11.1
fixed
suse enterprise sap 15 SP2
2.3.10-15.1
fixed
suse enterprise sap 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise sap 15 SP4
2.3.15-58.3
fixed
suse enterprise sap 15 SP7
2.3.15-150200.65.1
fixed
suse enterprise server 15
2.3.10-4.22.1
fixed
suse enterprise server 15 SP1
2.3.10-11.1
fixed
suse enterprise server 15 SP2
2.3.10-15.1
fixed
suse enterprise server 15 SP3
2.3.11.3-17.5.1
fixed
suse enterprise server 15 SP4
2.3.15-58.3
fixed
suse enterprise server 15 SP7
2.3.15-150200.65.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
dovecot
RHEL 8
1:2.3.8-4.el8
fixed
dovecot-devel
RHEL 8
1:2.3.8-4.el8
fixed
dovecot-mysql
RHEL 8
1:2.3.8-4.el8
fixed
dovecot-pgsql
RHEL 8
1:2.3.8-4.el8
fixed
dovecot-pigeonhole
RHEL 8
1:2.3.8-4.el8
fixed
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html
http://seclists.org/fulldisclosure/2020/May/37
http://www.openwall.com/lists/oss-security/2020/05/18/1
https://dovecot.org/security
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTZN2VW55ZC2AQBGBJMLRJSZIKSB2NS6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWHUUAFPC6XGIXYFIPTNBXLHPNM4W6/
https://usn.ubuntu.com/4361-1/
https://www.debian.org/security/2020/dsa-4690
https://www.openwall.com/lists/oss-security/2020/05/18/1
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html
http://seclists.org/fulldisclosure/2020/May/37
http://www.openwall.com/lists/oss-security/2020/05/18/1
https://dovecot.org/security
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTZN2VW55ZC2AQBGBJMLRJSZIKSB2NS6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWHUUAFPC6XGIXYFIPTNBXLHPNM4W6/
https://usn.ubuntu.com/4361-1/
https://www.debian.org/security/2020/dsa-4690
https://www.openwall.com/lists/oss-security/2020/05/18/1