CVE-2020-24386

An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.8 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
mitreCNA
---
---
CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
dovecotdovecot
2.2.26 ≤
𝑥
< 2.3.13
debiandebian_linux
10.0
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
groovy
Fixed 1:2.3.11.3+dfsg1-2ubuntu0.1
released
focal
Fixed 1:2.3.7.2-1ubuntu3.3
released
bionic
Fixed 1:2.2.33.2-1ubuntu4.7
released
xenial
not-affected
trusty
not-affected
References
http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html
http://seclists.org/fulldisclosure/2021/Jan/18
http://www.openwall.com/lists/oss-security/2021/01/04/4
https://doc.dovecot.org/configuration_manual/hibernation/
https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html
https://dovecot.org/security
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
https://security.gentoo.org/glsa/202101-01
https://www.debian.org/security/2021/dsa-4825
http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html
http://seclists.org/fulldisclosure/2021/Jan/18
http://www.openwall.com/lists/oss-security/2021/01/04/4
https://doc.dovecot.org/configuration_manual/hibernation/
https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html
https://dovecot.org/security
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
https://security.gentoo.org/glsa/202101-01
https://www.debian.org/security/2021/dsa-4825