CVE-2018-16515
First published: Tue Sep 18 2018(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/matrix-synapse | <0.33.2.1 | 0.33.2.1 |
| pip/matrix-synapse | >=0.33.3<0.33.3.1 | 0.33.3.1 |
| Matrix Synapse | <0.33.3.1 | |
| Debian Debian Linux | =8.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2018-16515
- https://github.com/matrix-org/synapse/issues/3796#event-1833126269
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/
- https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/
- https://github.com/matrix-org/synapse/commit/5bf8bc79ebc22c61968f2eb487714813fccbdb9b
- https://github.com/matrix-org/synapse/commit/804dd41e18c449e711e443398b95c9f6c68b6fa2
- https://github.com/matrix-org/synapse/commit/a5a0bf5cf71caed3c4e3677d2bce667c147dadfc
- https://github.com/matrix-org/synapse/commit/c127c8d0421f0228a46ebbe280c9537e8d8ea42b
- https://github.com/advisories/GHSA-fmvh-rvq5-hhjx (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/
Frequently Asked Questions
What is the severity of CVE-2018-16515?
The severity of CVE-2018-16515 is high with a severity value of 8.8.
How can remote attackers exploit CVE-2018-16515?
Remote attackers can spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation in Matrix Synapse before version 0.33.3.1 and 0.33.2.1.
How can I fix CVE-2018-16515 in Matrix Synapse?
To fix CVE-2018-16515 in Matrix Synapse, update to version 0.33.3.1 or 0.33.2.1.
Are there any references for CVE-2018-16515?
Yes, you can find references for CVE-2018-16515 at the following links: [Link 1](https://nvd.nist.gov/vuln/detail/CVE-2018-16515), [Link 2](https://github.com/matrix-org/synapse/issues/3796#event-1833126269), [Link 3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/).
What Common Weakness Enumeration (CWE) category does CVE-2018-16515 belong to?
CVE-2018-16515 belongs to CWE category 347.
- collector/github-advisory-latest
- alias/GHSA-fmvh-rvq5-hhjx
- alias/CVE-2018-16515
- collector/github-advisory
- collector/nvd-index
- collector/nvd-cve
- agent/author
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/severity
- agent/remedy
- agent/references
- agent/weakness
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- agent/trending
- package-manager/pip
- vendor/matrix
- canonical/matrix synapse
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0