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
01 Jan 2022, 19:51
Type | Values Removed | Values Added |
---|---|---|
References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6XYT55WH372BJOXCJRKBDIFGBMPVOIDT/ - Mailing List, Third Party Advisory | |
References | (CONFIRM) https://dovecot.org/pipermail/dovecot-news/2020-February/000430.html - Exploit, Mailing List, Vendor Advisory | |
References | (CONFIRM) http://www.openwall.com/lists/oss-security/2020/02/12/2 - Exploit, Mailing List, Third Party Advisory | |
References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/ - Mailing List, Third Party Advisory | |
CPE | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
Information
Published : 2020-02-12 17:15
Updated : 2024-02-04 20:39
NVD link : CVE-2020-7957
Mitre link : CVE-2020-7957
CVE.ORG link : CVE-2020-7957
JSON object : View
Products Affected
dovecot
- dovecot
fedoraproject
- fedora
CWE
CWE-20
Improper Input Validation