Improper Certificate Validation Affecting dovecot-pigeonhole package, versions <1:2.2.36-10.el8
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS8-DOVECOTPIGEONHOLE-1997022
- published26 Jul 2021
- disclosed5 Feb 2019
Introduced: 5 Feb 2019
CVE-2019-3814 (opens in a new tab)How to fix?
Upgrade Centos:8 dovecot-pigeonhole to version 1:2.2.36-10.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dovecot-pigeonhole package and not the dovecot-pigeonhole package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814
- https://access.redhat.com/security/cve/CVE-2019-3814
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
- https://security.gentoo.org/glsa/201904-19
- https://www.dovecot.org/list/dovecot/2019-February/114575.html
- https://access.redhat.com/errata/RHSA-2019:3467
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/