CVE-2020-24386 — Improper Neutralization of Special Elements in Dovecot

CWE-138 — Improper Neutralization of Special Elements7 documents6 sources
Severity
6.8MEDIUMNVD
EPSS
2.2%
top 15.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
DovecotDebian DovecotDebian Linux+1 more
Timeline
PublishedJan 4
Latest updateMay 24

Description

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).

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:NExploitability: 1.6 | Impact: 5.2

Affected Packages4 packages

▶debiandebian/dovecot< dovecot 1:2.3.13+dfsg1-1 (bookworm)
▶NVDdovecot/dovecot2.2.26 — 2.3.13
▶Debiandovecot/dovecot< 1:2.3.13+dfsg1-1+3
▶Ubuntudovecot/dovecot< 1:2.2.22-1ubuntu2.14+2

Also affects: Debian Linux 10.0, Fedora 32

🔴Vulnerability Details

3
GHSA
GHSA-jp3r-27f3-r855: An issue was discovered in Dovecot before 2↗2022-05-24
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OSV
CVE-2020-24386: An issue was discovered in Dovecot before 2↗2021-01-04
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OSV
dovecot vulnerabilities↗2021-01-04
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📋Vendor Advisories

3
Red Hat
dovecot: IMAP hibernation function allows mail access↗2021-01-04
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Ubuntu
Dovecot vulnerabilities↗2021-01-04
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Debian
CVE-2020-24386: dovecot - An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authent...↗2020
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