GHSA-c7hh-3v6c-fj4q

Suggest an improvement
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.test.osv.dev/v1/vulns/GHSA-c7hh-3v6c-fj4q
Aliases
Related
Published
2023-08-04T17:26:07Z
Modified
2023-11-01T05:02:39.001611Z
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 
{
    "nvd_published_at": "2023-08-04T19:15:09Z",
    "cwe_ids": [
        "CWE-200"
    ],
    "severity": "LOW",
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-04T17:26:07Z"
}
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"
}