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CVE-2020-14954

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Date: June 21, 2020

Mutt before 1.14.4 and NeoMutt before 2020-06-19 have a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a man-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection."

Language: C

Severity Score

Related Resources (23)

https://gitlab.com/muttmua/mutt/-/issues/248
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3LXFVPTLK4PNHL6MPKJNJQJ25CH7GLQ/
https://lists.debian.org/debian-lts-announce/2020/06/msg00040.html
http://lists.mutt.org/pipermail/mutt-announce/Week-of-Mon-20200615/000023.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14954
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EFMEILCBKMZRRZDMUGWLVN4PQQ4VTAZE/
https://gitlab.com/muttmua/mutt/-/commit/c547433cdf2e79191b15c6932c57f1472bfb5ff4
https://security-tracker.debian.org/tracker/CVE-2020-14954
https://usn.ubuntu.com/4403-1/
https://lists.debian.org/debian-lts-announce/2020/06/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00070.html
https://www.debian.org/security/2020/dsa-4707
https://github.com/neomutt/neomutt/releases/tag/20200619
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EFMEILCBKMZRRZDMUGWLVN4PQQ4VTAZE/
https://access.redhat.com/security/cve/CVE-2020-14954
https://github.com/neomutt/neomutt/commit/fb013ec666759cb8a9e294347c7b4c1f597639cc
https://nvd.nist.gov/vuln/detail/CVE-2020-14954
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3LXFVPTLK4PNHL6MPKJNJQJ25CH7GLQ/
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00064.html
https://security.gentoo.org/glsa/202007-57
https://www.debian.org/security/2020/dsa-4708
http://www.mutt.org/
https://www.mend.io/vulnerability-database/CVE-2020-14954

Severity Score

Weakness Type (CWE)

Injection

CWE-74

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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