Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.openwall.com/lists/oss-security/2019/04/18/3 ↗
- https://dovecot.org/list/dovecot-news/2019-April/000406.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ ↗
- https://security.gentoo.org/glsa/201908-29 ↗