UBUNTU-CVE-2024-53867

Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1...

UBUNTU-CVE-2024-53863

Synapse is an open-source Matrix homeserver. In Synapse versions before 1.120.1, enabling the dynamicthumbnails 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...

UBUNTU-CVE-2024-52815

Synapse is an open-source Matrix homeserver. Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's /sync functionality. Synapse 1.120.1 rejects su...

UBUNTU-CVE-2024-37302

Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can le...

UBUNTU-CVE-2024-37303

Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the...

CVE-2024-37303 Synapse unauthenticated writes to the media repository allow planting of problematic content

Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the...

CVE-2024-37303

CVE-2024-37303 concerns Synapse before version 1.106, where unauthenticated remote participants could trigger download and caching of remote media into the local media repository, making such content downloadable again from the local server unauthenticated. The underlying issue is an attack surfa...

CVE-2024-37303

Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the...

CVE-2024-37303

Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the...

CVE-2024-37303 Synapse unauthenticated writes to the media repository allow planting of problematic content

Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the...

CVE-2024-37303 Synapse unauthenticated writes to the media repository allow planting of problematic content

Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the...

CVE-2024-37302

Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can le...

CVE-2024-37302 Synapse denial of service through media disk space consumption

Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can le...

CVE-2024-37302

Synapse (Matrix homeserver) versions before 1.106 are vulnerable to a disk-fill DoS where an unauthenticated attacker can cause extensive remote-media downloads and caching due to inadequate default rate limiting. Synapse 1.106 adds a leaky-bucket rate limit on remote media downloads to help miti...

CVE-2024-37302 Synapse denial of service through media disk space consumption

Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can le...

CVE-2024-37302

Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can le...

CVE-2024-37302 Synapse denial of service through media disk space consumption

Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can le...

CVE-2024-52805 Synapse allows unsupported content types to lead to memory exhaustion

Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Synapse 1.120.1...

CVE-2024-52805 Synapse allows unsupported content types to lead to memory exhaustion

Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Synapse 1.120.1...

CVE-2024-52805

CVE-2024-52805 affects Synapse before 1.120.1, where multipart/form-data requests can transiently increase memory usage during processing, potentially enabling amplification of denial-of-service attacks. The issue is addressed in Synapse 1.120.1 by denying requests with unsupported multipart/form...