CVE-2024-53863
CVSS V2 None
CVSS V3 None
Description
Synapse is an open-source Matrix homeserver. In Synapse versions before 1.120.1, enabling the dynamic_thumbnails option or processing a specially crafted request could trigger the decoding and thumbnail generation of uncommon image formats, potentially invoking external tools like Ghostscript for processing. This significantly expands the attack surface in a historically vulnerable area, presenting a risk that far outweighs the benefit, particularly since these formats are rarely used on the open web or within the Matrix ecosystem. Synapse 1.120.1 addresses the issue by restricting thumbnail generation to images in the following widely used formats: PNG, JPEG, GIF, and WebP. This vulnerability is fixed in 1.120.1.
Overview
- CVE ID
- CVE-2024-53863
- Assigner
- GitHub_M
- Vulnerability Status
- PUBLISHED
- Published Version
- 2024-12-03T16:48:29.722Z
- Last Modified Date
- 2024-12-03T19:08:30.218Z
Weakness Enumerations
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/element-hq/synapse/security/advisories/GHSA-vp6v-whfm-rv3g | x_refsource_CONFIRM |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2024-53863 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53863 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2024-12-04 13:29:37 | Added to TrackCVE |