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Security Advisories: GSA_kwCzR0hTQS03NTY1LWNxMzItdngyeM4AA2C2
matrix-synapse vulnerable to improper validation of receipts allows forged read receipts
Impact
Users were able to forge read receipts for any event (if they knew the room ID and event ID). Note that the users were not able to view the events, but simply mark it as read. This could be confusing as clients will show the event as read by the user, even if they are not in the room.
Patches
https://github.com/matrix-org/synapse/pull/16327
Workarounds
There is no workaround.
Permalink: https://github.com/advisories/GHSA-7565-cq32-vx2xJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS03NTY1LWNxMzItdngyeM4AA2C2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Low
Classification: General
Published: 7 months ago
Updated: 4 months ago
CVSS Score: 3.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Identifiers: GHSA-7565-cq32-vx2x, CVE-2023-42453
References:
- https://github.com/matrix-org/synapse/security/advisories/GHSA-7565-cq32-vx2x
- https://github.com/matrix-org/synapse/pull/16327
- https://github.com/matrix-org/synapse/commit/63d28a88c1d18c64ea7e23b6dd7483e6d5dcf881
- https://nvd.nist.gov/vuln/detail/CVE-2023-42453
- https://lists.fedoraproject.org/archives/list/[email protected]/message/2AFB2Y3S2VCPCN5P2XCZTG24MBMZ7DM4/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/65QPC55I4D27HIZP7H2NQ34EOXHPP4AO/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/N6P4QULVUE254WI7XF2LWWOGHCYVFXFY/
- https://security.gentoo.org/glsa/202401-12
- https://github.com/advisories/GHSA-7565-cq32-vx2x
Blast Radius: 4.4
Affected Packages
pypi:matrix-synapse
Dependent packages: 3Dependent repositories: 26
Downloads: 14,925 last month
Affected Version Ranges: >= 0.34.0, < 1.93.0
Fixed in: 1.93.0
All affected versions: 0.34.0, 0.99.0, 0.99.1, 0.99.2, 0.99.3, 0.99.4, 0.99.5, 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, 1.4.0, 1.4.1, 1.5.0, 1.5.1, 1.6.0, 1.6.1, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.8.0, 1.9.0, 1.9.1, 1.10.0, 1.10.1, 1.11.0, 1.11.1, 1.12.0, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.13.0, 1.14.0, 1.15.0, 1.15.1, 1.15.2, 1.16.0, 1.16.1, 1.17.0, 1.18.0, 1.19.0, 1.19.1, 1.19.2, 1.19.3, 1.20.0, 1.20.1, 1.21.0, 1.21.1, 1.21.2, 1.22.0, 1.22.1, 1.23.0, 1.23.1, 1.24.0, 1.25.0, 1.26.0, 1.27.0, 1.28.0, 1.29.0, 1.30.0, 1.30.1, 1.31.0, 1.32.0, 1.32.1, 1.32.2, 1.33.0, 1.33.1, 1.33.2, 1.34.0, 1.35.0, 1.35.1, 1.36.0, 1.37.0, 1.37.1, 1.38.0, 1.38.1, 1.39.0, 1.40.0, 1.41.0, 1.41.1, 1.42.0, 1.43.0, 1.44.0, 1.45.0, 1.45.1, 1.46.0, 1.47.0, 1.47.1, 1.48.0, 1.49.0, 1.49.2, 1.50.0, 1.50.1, 1.50.2, 1.51.0, 1.52.0, 1.53.0, 1.54.0, 1.55.0, 1.55.1, 1.55.2, 1.56.0, 1.57.0, 1.57.1, 1.58.0, 1.58.1, 1.59.0, 1.59.1, 1.60.0, 1.61.0, 1.61.1, 1.62.0, 1.63.0, 1.63.1, 1.64.0, 1.65.0, 1.66.0, 1.67.0, 1.68.0, 1.69.0, 1.70.0, 1.70.1, 1.71.0, 1.72.0, 1.73.0, 1.74.0, 1.75.0, 1.76.0, 1.77.0, 1.78.0, 1.79.0, 1.80.0, 1.81.0, 1.82.0, 1.83.0, 1.84.0, 1.84.1, 1.85.0, 1.85.1, 1.85.2, 1.86.0, 1.87.0, 1.88.0, 1.89.0, 1.90.0, 1.91.0, 1.91.1, 1.91.2, 1.92.1, 1.92.2, 1.92.3
All unaffected versions: 0.33.5, 0.33.6, 0.33.7, 0.33.8, 0.33.9, 1.93.0, 1.94.0, 1.95.0, 1.95.1, 1.96.1, 1.97.0, 1.98.0, 1.99.0, 1.100.0, 1.101.0, 1.102.0, 1.103.0, 1.104.0, 1.105.0, 1.105.1