CVE-2020-25275: Input Validation
First published: Mon Jan 04 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/dovecot | 1:2.3.4.1-5+deb10u6 1:2.3.4.1-5+deb10u7 1:2.3.13+dfsg1-2+deb11u1 1:2.3.19.1+dfsg1-2.1 1:2.3.20+dfsg1-1 1:2.3.21+dfsg1-1 | |
| Dovecot Dovecot | <2.3.13 | |
| Debian | =10.0 | |
| Fedoraproject Fedora | =32 |
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Reference Links
- http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2021/Jan/18
- http://www.openwall.com/lists/oss-security/2021/01/04/3
- https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html
- https://dovecot.org/security
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
- https://security.gentoo.org/glsa/202101-01
- https://www.debian.org/security/2021/dsa-4825
- https://github.com/dovecot/core/commit/67f792cb98267ee74c425772e766e7a2525c0d8f
- https://github.com/dovecot/core/commit/6ae93c3936fc870c313a6fdf44a0999d4129d9b8
- https://security-tracker.debian.org/tracker/CVE-2020-25275
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
Frequently Asked Questions
What is CVE-2020-25275?
CVE-2020-25275 is a vulnerability in Dovecot before version 2.3.13 that allows an application crash via a crafted email message.
How does CVE-2020-25275 affect Dovecot?
CVE-2020-25275 affects Dovecot versions before 2.3.13.
What is the severity of CVE-2020-25275?
The severity of CVE-2020-25275 is high, with a CVSS score of 7.5.
What is the Common Weakness Enumeration (CWE) ID for CVE-2020-25275?
The CWE ID for CVE-2020-25275 is 20.
How can I fix CVE-2020-25275 in Dovecot?
To fix CVE-2020-25275, upgrade Dovecot to version 2.3.13 or later.
- collector/security-tracker-debian
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- collector/mitre-cve
- source/MITRE
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- package-manager/debian
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- canonical/dovecot dovecot
- vendor/debian
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- version/debian debian linux/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32