Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dovecot | Dovecot | < 2.3.10.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
- http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Poi
- http://seclists.org/fulldisclosure/2020/May/37ExploitThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/05/18/1Mailing ListThird Party Advisory
- https://dovecot.org/securityVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/4361-1/
- https://www.debian.org/security/2020/dsa-4690
- https://www.openwall.com/lists/oss-security/2020/05/18/1Mailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
- http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Poi
- http://seclists.org/fulldisclosure/2020/May/37ExploitThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/05/18/1Mailing ListThird Party Advisory
- https://dovecot.org/securityVendor Advisory
FAQ
What is CVE-2020-10958?
CVE-2020-10958 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 m...
How severe is CVE-2020-10958?
CVE-2020-10958 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-10958?
Check the references section above for vendor advisories and patch information. Affected products include: Dovecot Dovecot.