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CVE-2019-19783

Date: December 16, 2019

An issue was discovered in Cyrus IMAP before 2.5.15, 3.0.x before 3.0.13, and 3.1.x through 3.1.8. If sieve script uploading is allowed (3.x) or certain non-default sieve options are enabled (2.x), a user with a mail account on the service can use a sieve script containing a fileinto directive to create any mailbox with administrator privileges, because of folder mishandling in autosieve_createfolder() in imap/lmtp_sieve.c.

Language: C

Severity Score

Related Resources (15)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGOO5UGEBBDPN7B2YXLK7I7L3Y35EBA/
https://security-tracker.debian.org/tracker/CVE-2019-19783
https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.15.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IGOO5UGEBBDPN7B2YXLK7I7L3Y35EBA/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19783
https://www.debian.org/security/2019/dsa-4590
https://nvd.nist.gov/vuln/detail/CVE-2019-19783
https://access.redhat.com/security/cve/CVE-2019-19783
https://usn.ubuntu.com/4566-1/
https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.13.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DIV4HQ6LG5GPRO4B5Z2NHCZUPBUVVVF/
https://seclists.org/bugtraq/2019/Dec/38
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DIV4HQ6LG5GPRO4B5Z2NHCZUPBUVVVF/
https://security.gentoo.org/glsa/202006-23
https://www.mend.io/vulnerability-database/CVE-2019-19783

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Improper Privilege Management

CWE-269

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
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): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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