CVE-2019-7524 - log back

CVE-2019-7524 created at 25 Sep 2019 19:31:40
Severity
+ High
Remote
+ Local
Type
+ Privilege escalation
Description
+ A stack-based buffer overflow has been found in Dovecot versions prior to 2.3.5.1. When reading FTS or POP3-UIDL header from dovecot index, the input buffer size is not bound, and data is copied to target structure causing stack overflow. This can be used for local root privilege escalation or executing arbitrary code in dovecot process context. This requires ability to directly modify dovecot indexes.
References
+ https://seclists.org/oss-sec/2019/q1/197
+ https://dovecot.org/pipermail/dovecot/2019-March/115296.html
+ https://github.com/dovecot/core/commit/79679674eb6d2c7d38f2537e613efc103058dff1
+ https://github.com/dovecot/core/commit/d79845350e0754f5e25c41bd56591ddd5b0a35fd
Notes