Home/CVE/Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafte
CVE

CVE-2020-25275

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafte

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.

HIGH · CVSS 7.5 EPSS 0.03357
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

3
dovecot< 2.3.13
debian linuxall versions
fedoraproject fedoraall versions
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Dovecot-2.3.11.3-Denial-Of-Service.htmlpacketstormsecurity.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Jan 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2021:0072-1
suse-csafopenSUSE-SU-2021:0026-1
suse-csafSUSE-SU-2021:0027-1
suse-csafSUSE-SU-2021:0028-1
suse-csafSUSE-SU-2021:0029-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2021/Jan/18Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/01/04/3Mailing ListThird Party Advisory
https://dovecot.org/pipermail/dovecot-news/2021-January/000451.htmlMailing ListVendor Advisory
https://dovecot.org/securityVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
https://security.gentoo.org/glsa/202101-01Third Party Advisory
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