From 6ab3553596fa133c5e0127c9e3f02211b6ccd8cc Mon Sep 17 00:00:00 2001 From: "advisory-database[bot]" <45398580+advisory-database[bot]@users.noreply.github.com> Date: Tue, 3 Dec 2024 18:45:28 +0000 Subject: [PATCH] Publish Advisories GHSA-56w4-5538-8v8h GHSA-vp6v-whfm-rv3g --- .../GHSA-56w4-5538-8v8h.json | 65 +++++++++++++++++++ .../GHSA-vp6v-whfm-rv3g.json | 61 +++++++++++++++++ 2 files changed, 126 insertions(+) create mode 100644 advisories/github-reviewed/2024/12/GHSA-56w4-5538-8v8h/GHSA-56w4-5538-8v8h.json create mode 100644 advisories/github-reviewed/2024/12/GHSA-vp6v-whfm-rv3g/GHSA-vp6v-whfm-rv3g.json diff --git a/advisories/github-reviewed/2024/12/GHSA-56w4-5538-8v8h/GHSA-56w4-5538-8v8h.json b/advisories/github-reviewed/2024/12/GHSA-56w4-5538-8v8h/GHSA-56w4-5538-8v8h.json new file mode 100644 index 00000000000..d2cfba32afd --- /dev/null +++ b/advisories/github-reviewed/2024/12/GHSA-56w4-5538-8v8h/GHSA-56w4-5538-8v8h.json @@ -0,0 +1,65 @@ +{ + "schema_version": "1.4.0", + "id": "GHSA-56w4-5538-8v8h", + "modified": "2024-12-03T18:44:23Z", + "published": "2024-12-03T18:44:23Z", + "aliases": [ + "CVE-2024-53867" + ], + "summary": "Synapse Matrix has a partial room state leak via Sliding Sync", + "details": "### Impact\nThe 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.\n\n### Patches\nSynapse version 1.120.1 fixes the problem.\n\n### Workarounds\nDisable Sliding Sync.\n\n### References\nhttps://github.com/matrix-org/matrix-spec-proposals/pull/4186\nhttps://github.com/element-hq/synapse/blob/d80cd57c54427687afcb48740d99219c88a0fff1/synapse/config/experimental.py#L341-L344\n\n### For more information\n\nIf you have any questions or comments about this advisory, please email us at [security at element.io](mailto:security@element.io).\n", + "severity": [ + { + "type": "CVSS_V3", + "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N" + } + ], + "affected": [ + { + "package": { + "ecosystem": "PyPI", + "name": "matrix-synapse" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "1.113.0rc1" + }, + { + "fixed": "1.120.1" + } + ] + } + ] + } + ], + "references": [ + { + "type": "WEB", + "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h" + }, + { + "type": "ADVISORY", + "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53867" + }, + { + "type": "WEB", + "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/4186" + }, + { + "type": "PACKAGE", + "url": "https://github.com/element-hq/synapse" + } + ], + "database_specific": { + "cwe_ids": [ + "CWE-497" + ], + "severity": "MODERATE", + "github_reviewed": true, + "github_reviewed_at": "2024-12-03T18:44:23Z", + "nvd_published_at": "2024-12-03T17:15:12Z" + } +} \ No newline at end of file diff --git a/advisories/github-reviewed/2024/12/GHSA-vp6v-whfm-rv3g/GHSA-vp6v-whfm-rv3g.json b/advisories/github-reviewed/2024/12/GHSA-vp6v-whfm-rv3g/GHSA-vp6v-whfm-rv3g.json new file mode 100644 index 00000000000..6b8c31fc9e8 --- /dev/null +++ b/advisories/github-reviewed/2024/12/GHSA-vp6v-whfm-rv3g/GHSA-vp6v-whfm-rv3g.json @@ -0,0 +1,61 @@ +{ + "schema_version": "1.4.0", + "id": "GHSA-vp6v-whfm-rv3g", + "modified": "2024-12-03T18:44:00Z", + "published": "2024-12-03T18:44:00Z", + "aliases": [ + "CVE-2024-53863" + ], + "summary": "Synapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decoders", + "details": "### Impact\n\nIn 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.\n\nThis 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.\n\nFor a list of image formats, as well as decoding libraries and helper programs used, see [the Pillow documentation](https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html).\n\n### Patches\n\nSynapse 1.120.1 addresses the issue by restricting thumbnail generation to images in the following widely used formats: PNG, JPEG, GIF, and WebP.\n\n### Workarounds\n\n- Ensure any image codecs and helper programs, such as Ghostscript, are patched against security vulnerabilities.\n- Uninstall unused image decoder libraries and helper programs, such as Ghostscript, from the system environment that Synapse is running in.\n - Depending on the installation method, there may be some decoder libraries bundled with Pillow and these cannot be easily uninstalled.\n - The official Docker container image does not include Ghostscript.\n\n### References\n\n- [The Pillow documentation](https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html) includes a list of supported image formats and which libraries or helper programs are used to decode them.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please email us at [security at element.io](mailto:security@element.io).\n", + "severity": [ + { + "type": "CVSS_V4", + "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X" + } + ], + "affected": [ + { + "package": { + "ecosystem": "PyPI", + "name": "matrix-synapse" + }, + "ranges": [ + { + "type": "ECOSYSTEM", + "events": [ + { + "introduced": "0" + }, + { + "fixed": "1.120.1" + } + ] + } + ] + } + ], + "references": [ + { + "type": "WEB", + "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-vp6v-whfm-rv3g" + }, + { + "type": "ADVISORY", + "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53863" + }, + { + "type": "PACKAGE", + "url": "https://github.com/element-hq/synapse" + } + ], + "database_specific": { + "cwe_ids": [ + "CWE-434" + ], + "severity": "HIGH", + "github_reviewed": true, + "github_reviewed_at": "2024-12-03T18:44:00Z", + "nvd_published_at": "2024-12-03T17:15:12Z" + } +} \ No newline at end of file