CVEvulnerability
CVE-2020-7046
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-02-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-835
Description
lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3 mishandles truncated UTF-8 data in command parameters, as demonstrated by the unauthenticated triggering of a submission-login infinite loop.
Affected configurations
• dovecot dovecot (>= 2.3.9 < 2.3.9.3)
• fedoraproject fedora 30
• fedoraproject fedora 31
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- http://www.openwall.com/lists/oss-security/2020/02/12/1 Mailing List, Third Party Advisory
- https://dovecot.org/pipermail/dovecot-news/2020-February/000431.html Mailing List, Vendor Advisory
- https://dovecot.org/security Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XYT55WH372BJOXCJRKBDIFGBMPVOIDT/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/ lists.fedoraproject.org
- http://www.openwall.com/lists/oss-security/2020/02/12/1 Mailing List, Third Party Advisory
- https://dovecot.org/pipermail/dovecot-news/2020-February/000431.html Mailing List, Vendor Advisory
- https://dovecot.org/security Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XYT55WH372BJOXCJRKBDIFGBMPVOIDT/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/ lists.fedoraproject.org