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CVE-2019-10691

Status Candidate

Overview

The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username.

Related Files

Gentoo Linux Security Advisory 201908-29
Posted Sep 2, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201908-29 - Multiple vulnerabilities have been found in Dovecot, the worst of which could result in the arbitrary execution of code. Versions less than 2.3.7.2 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2019-10691, CVE-2019-11500
SHA-256 | cddba783a17794365464d8147d620763c2579d8620bb0ccfc1692937e1db247c
Ubuntu Security Notice USN-3951-1
Posted Apr 23, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3951-1 - It was discovered that the Dovecot JSON encoder incorrectly handled certain invalid UTF-8 characters. A remote attacker could possibly use this issue to cause Dovecot to repeatedly crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2019-10691
SHA-256 | 8b916334ad90f0489013c56012c02e1b53e5df958f92b7cc2cbe32119ee19c04
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