Vulnerability Description
In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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-2020-10957?
CVE-2020-10957 is a vulnerability with a CVSS score of 7.5 (HIGH). In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.
How severe is CVE-2020-10957?
CVE-2020-10957 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-10957?
Check the references section above for vendor advisories and patch information. Affected products include: Dovecot Dovecot.