Improper Verification of Cryptographic Signature Affecting matrix-synapse package, versions <0.33.3.1-1
Threat Intelligence
EPSS
0.31% (71st
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-MATRIXSYNAPSE-279811
- published 25 Sep 2018
- disclosed 18 Sep 2018
Introduced: 18 Sep 2018
CVE-2018-16515 Open this link in a new tabHow to fix?
Upgrade Debian:unstable matrix-synapse to version 0.33.3.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream matrix-synapse package and not the matrix-synapse package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.
References
- https://security-tracker.debian.org/tracker/CVE-2018-16515
- https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/
- https://github.com/matrix-org/synapse/issues/3796#event-1833126269
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-16515
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/