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CVE-2020-25275

Status Candidate

Overview

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.

Related Files

Gentoo Linux Security Advisory 202101-01
Posted Jan 11, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202101-1 - Multiple vulnerabilities have been found in Dovecot, the worst of which could allow remote attackers to cause a Denial of Service condition. Versions less than 2.3.13 are affected.

tags | advisory, remote, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2020-24386, CVE-2020-25275
MD5 | 3a89fff6479017300d6ec9a323c8b69e
Dovecot 2.3.11.3 Denial Of Service
Posted Jan 7, 2021
Authored by Innokentii Sennovskiy, Aki Tuomi

Dovecot versions 2.3.11 through 2.3.11.3 suffer from a denial of service condition related to MIME parsing.

tags | advisory, denial of service
advisories | CVE-2020-25275
MD5 | 3013935c3e953195b4dad8ab78d9d3ce
Ubuntu Security Notice USN-4674-2
Posted Jan 5, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4674-2 - USN-4674-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 14.04 ESM. Innokentii Sennovskiy discovered that Dovecot incorrectly handled MIME parsing. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-25275
MD5 | 8b21140b2f6a9fb4daa95236efc08304
Ubuntu Security Notice USN-4674-1
Posted Jan 4, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4674-1 - It was discovered that Dovecot incorrectly handled certain imap hibernation commands. A remote authenticated attacker could possibly use this issue to access other users' email. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. Innokentii Sennovskiy discovered that Dovecot incorrectly handled MIME parsing. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, imap
systems | linux, ubuntu
advisories | CVE-2020-24386, CVE-2020-25275
MD5 | b2e560c9e62cc73f933684b14231318a
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