Vulnerability Details : CVE-2020-10967
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
Vulnerability category: Input validation
Products affected by CVE-2020-10967
- cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-10967
5.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-10967
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
MITRE | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2020-10967
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-10967
-
https://www.openwall.com/lists/oss-security/2020/05/18/1
oss-security - Multiple vulnerabilities in Dovecot IMAP serverMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4361-1/
USN-4361-1: Dovecot vulnerabilities | Ubuntu security notices
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
[SECURITY] Fedora 32 Update: dovecot-2.3.11.3-5.fc32 - package-announce - Fedora Mailing-Lists
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
[SECURITY] Fedora 33 Update: dovecot-2.3.11.3-5.fc33 - package-announce - Fedora Mailing-Lists
-
http://www.openwall.com/lists/oss-security/2020/05/18/1
oss-security - Multiple vulnerabilities in Dovecot IMAP serverMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
[SECURITY] Fedora 31 Update: dovecot-2.3.11.3-4.fc31 - package-announce - Fedora Mailing-Lists
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VVUWHUUAFPC6XGIXYFIPTNBXLHPNM4W6/
[SECURITY] Fedora 32 Update: dovecot-2.3.10.1-1.fc32 - package-announce - Fedora Mailing-Lists
-
https://dovecot.org/security
SecurityVendor Advisory
-
https://www.debian.org/security/2020/dsa-4690
Debian -- Security Information -- DSA-4690-1 dovecot
-
http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html
Open-Xchange Dovecot 2.3.10 Null Pointer Dereference / Denial Of Service ≈ Packet Storm
-
http://seclists.org/fulldisclosure/2020/May/37
Full Disclosure: Multiple vulnerabilities in Dovecot IMAP serverExploit;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
[security-announce] openSUSE-SU-2020:0720-1: important: Security update
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TTZN2VW55ZC2AQBGBJMLRJSZIKSB2NS6/
[SECURITY] Fedora 31 Update: dovecot-2.3.10.1-1.fc31 - package-announce - Fedora Mailing-Lists
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