CVE-2020-7957

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

History

21 Nov 2024, 05:38

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2020/02/12/2 - Exploit, Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2020/02/12/2 - Exploit, Mailing List, Third Party Advisory
References () https://dovecot.org/pipermail/dovecot-news/2020-February/000430.html - Exploit, Mailing List, Vendor Advisory () https://dovecot.org/pipermail/dovecot-news/2020-February/000430.html - Exploit, Mailing List, Vendor Advisory
References () https://dovecot.org/security - Vendor Advisory () https://dovecot.org/security - Vendor Advisory
References () 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/6XYT55WH372BJOXCJRKBDIFGBMPVOIDT/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/ -

07 Nov 2023, 03:26

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6XYT55WH372BJOXCJRKBDIFGBMPVOIDT/', 'name': 'FEDORA-2020-10a58fda28', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/', 'name': 'FEDORA-2020-0e6a67af5a', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () 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/ -

Information

Published : 2020-02-12 17:15

Updated : 2024-11-21 05:38


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