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VULNERABILITIES

CVE-2019-11340 Details

Description

util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the allowed_local_3pids option is enabled. This occurs because of potentially unwanted behavior in Python, in which an email.utils.parseaddr call on [email protected]@good.example.com returns the [email protected] substring.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc CVEPatchThird Party Advisory
https://github.com/matrix-org/sydent/compare/7c002cd...09278fb CVEPatchThird Party Advisory
https://matrix.org/blog/2019/04/18/security-update-sydent-1-0-2/ CVERelease NotesVendor Advisory
https://twitter.com/matrixdotorg/status/1118934335963500545 CVEThird Party Advisory
https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc [email protected]PatchThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]

Affected Products

ProductVersions
matrix sydent
< 1.0.2

CPE

  • cpe:2.3:a:matrix:sydent:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-11340
NVD Published Date:
Apr 19, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-11340 Details - Not Deferred