CVE-2020-10958 | BDVDB-2026-136039 Detail
Description#
In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.
Impact#
Per CVSS v3.0: confidentiality impact none, integrity impact none, availability impact low. Attack vector: network.
Weaknesses#
No weakness recorded in the source data.
References#
- https://dovecot.org/security
- https://www.openwall.com/lists/oss-security/2020/05/18/1
- http://www.openwall.com/lists/oss-security/2020/05/18/1
- https://usn.ubuntu.com/4361-1/
- http://seclists.org/fulldisclosure/2020/May/37
- http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html
- https://www.debian.org/security/2020/dsa-4690
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWHUUAFPC6XGIXYFIPTNBXLHPNM4W6/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTZN2VW55ZC2AQBGBJMLRJSZIKSB2NS6/
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.