Rapid7

vulnerability

Gentoo Linux: CVE-2021-29157: Dovecot: Multiple vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Jun 28, 2021
Added
Jul 19, 2021
Modified
Mar 31, 2026

Description

Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.

Solution

gentoo-linux-upgrade-net-mail-dovecot
Title
Rapid7 Labs

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