CVE-2020-25275 — Improper Input Validation in Dovecot

CWE-20 — Improper Input Validation9 documents6 sources
Severity
7.5HIGHNVD
OSV6.8
EPSS
3.4%
top 12.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
DovecotDebian DovecotDebian Linux+1 more
Timeline
PublishedJan 4
Latest updateMay 24

Description

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

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

Also affects: Debian Linux 10.0, Fedora 32

🔴Vulnerability Details

4
GHSA
GHSA-jv8c-8hrc-9f7m: Dovecot before 2↗2022-05-24
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OSV
dovecot vulnerabilities↗2021-01-04
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OSV
dovecot vulnerability↗2021-01-04
▶
OSV
CVE-2020-25275: Dovecot before 2↗2021-01-04
▶

📋Vendor Advisories

4
Ubuntu
Dovecot vulnerability↗2021-01-04
▶
Red Hat
dovecot: Denial of service via mail MIME parsing↗2021-01-04
▶
Ubuntu
Dovecot vulnerabilities↗2021-01-04
▶
Debian
CVE-2020-25275: dovecot - Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, lead...↗2020
▶