GHSA-c7hh-3v6c-fj4q

Source

https://github.com/advisories/GHSA-c7hh-3v6c-fj4q

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/08/GHSA-c7hh-3v6c-fj4q/GHSA-c7hh-3v6c-fj4q.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-c7hh-3v6c-fj4q

Aliases

CVE-2023-38700

Published

2023-08-04T17:26:07Z

Modified

2023-11-08T04:13:09.727778Z

Severity

3.5 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N CVSS Calculator

Summary

matrix-appservice-irc events can be crafted to leak parts of targeted messages from other bridged rooms

Details

Impact

It was possible to craft an event such that it would leak part of a targeted message event from another bridged room. This required knowing an event ID to target.

Patches

Please upgrade to 1.0.1.

Workarounds

You can set the matrixHandler.eventCacheSize config value to 0 to workaround this bug. However, this may impact performance.

Credits

Discovered and reported by Val Lorentz.

For more information

If you have any questions or comments about this advisory email us at security@matrix.org.

Database specific

{
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-200"
    ],
    "github_reviewed_at": "2023-08-04T17:26:07Z",
    "nvd_published_at": "2023-08-04T19:15:09Z",
    "severity": "LOW"
}

References

Affected packages

npm / matrix-appservice-irc

Package

Name: matrix-appservice-irc; View open source insights on deps.dev
Purl: pkg:npm/matrix-appservice-irc

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.0.1

Database specific

last_known_affected_version_range

"<= 1.0.0"