rfc822.c in Mutt through 2.0.4 allows remote attackers to cause...
Vulnerability Description
rfc822.c in Mutt through 2.0.4 allows remote attackers to cause a denial of service (mailbox unavailability) by sending email messages with sequences of semicolon characters in RFC822 address fields (aka terminators of empty groups). A small email message from the attacker can cause large memory consumption, and the victim may then be unable to see email messages from other persons.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://gitlab.com/muttmua/mutt/-/issues/323
- https://gitlab.com/muttmua/mutt/-/commit/4a2becbdb4422aaffe3ce314991b9d670b7adf17
- https://gitlab.com/muttmua/mutt/-/commit/939b02b33ae29bc0d642570c1dcfd4b339037d19
- https://gitlab.com/muttmua/mutt/-/commit/d4305208955c5cdd9fe96dfa61e7c1e14e176a14
- http://www.openwall.com/lists/oss-security/2021/01/19/10
- https://lists.debian.org/debian-lts-announce/2021/01/msg00017.html
- https://security.gentoo.org/glsa/202101-25
- https://www.debian.org/security/2021/dsa-4838
- http://www.openwall.com/lists/oss-security/2021/01/27/3
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2OMLQKAOHPYQA4GI7ZUO6UKCPUHLYO7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXGWXFO77HBCD3VYEIYHHYU33LYWWWNQ/
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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