The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read to compute the snippet and a trailing > character exists. This causes a denial of service in which the recipient cannot read all of their messages.
References
Link | Resource |
---|---|
http://www.openwall.com/lists/oss-security/2020/02/12/2 | Exploit Mailing List Third Party Advisory |
https://dovecot.org/pipermail/dovecot-news/2020-February/000430.html | Exploit Mailing List Vendor Advisory |
https://dovecot.org/security | Vendor Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XYT55WH372BJOXCJRKBDIFGBMPVOIDT/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/ |
Configurations
History
07 Nov 2023, 03:26
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Information
Published : 2020-02-12 17:15
Updated : 2024-02-28 17:28
NVD link : CVE-2020-7957
Mitre link : CVE-2020-7957
CVE.ORG link : CVE-2020-7957
JSON object : View
Products Affected
fedoraproject
- fedora
dovecot
- dovecot
CWE
CWE-20
Improper Input Validation