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CVE-2020-10958
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 5/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- None
- Availability Impact
- Partial
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 5.3/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 1.4/10
- Confidentiality Impact
- None
- Availability Impact
- Low
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* |
Yes
|
- | 2.3.10.1 |
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
- http://seclists.org/fulldisclosure/2020/May/37
- http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Der
- https://www.debian.org/security/2020/dsa-4690
- https://usn.ubuntu.com/4361-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org