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FreeBSD: VID-D18F431D-D360-11EB-A32C-00A0989E4EC1 (CVE-2021-29157): dovecot -- multiple vulnerabilities

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FreeBSD: VID-D18F431D-D360-11EB-A32C-00A0989E4EC1 (CVE-2021-29157): dovecot -- multiple vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
03/22/2021
Created
11/08/2022
Added
11/04/2022
Modified
11/04/2022

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(s)

  • freebsd-upgrade-package-dovecot

References

  • CVE-2021-29157
  • USN-4993-1

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