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Vulnerability Details : CVE-2021-3181

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.
Publish Date : 2021-01-19 Last Update Date : 2021-02-17
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 400

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:4181: mutt security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20214181 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-3181

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
5 Application Mutt Mutt * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Fedoraproject Fedora 2
Mutt Mutt 1

- References For CVE-2021-3181

https://lists.fedoraproject.org/archives/list/[email protected]/message/P2OMLQKAOHPYQA4GI7ZUO6UKCPUHLYO7/
FEDORA FEDORA-2021-a4f016c6c8
http://www.openwall.com/lists/oss-security/2021/01/27/3
MLIST [oss-security] 20210127 glibc iconv crash with ISO-2022-JP-3
https://lists.fedoraproject.org/archives/list/[email protected]/message/DXGWXFO77HBCD3VYEIYHHYU33LYWWWNQ/
FEDORA FEDORA-2021-4205e1fc23
https://security.gentoo.org/glsa/202101-25
GENTOO GLSA-202101-25
https://www.debian.org/security/2021/dsa-4838
DEBIAN DSA-4838
https://lists.debian.org/debian-lts-announce/2021/01/msg00017.html
MLIST [debian-lts-announce] 20210120 [SECURITY] [DLA 2529-1] mutt security update
https://gitlab.com/muttmua/mutt/-/commit/d4305208955c5cdd9fe96dfa61e7c1e14e176a14
http://www.openwall.com/lists/oss-security/2021/01/19/10
MLIST [oss-security] 20210119 Re: mutt recipient parsing memory leak
https://gitlab.com/muttmua/mutt/-/issues/323
https://gitlab.com/muttmua/mutt/-/commit/939b02b33ae29bc0d642570c1dcfd4b339037d19
https://gitlab.com/muttmua/mutt/-/commit/4a2becbdb4422aaffe3ce314991b9d670b7adf17

- Metasploit Modules Related To CVE-2021-3181

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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