GitHub Advisory DatabaseGHSA-7565-CQ32-VX2Xmatrix-synapse vulnerable to improper validation of receipts allows forged read receipts
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
0.001 Low
EPSS
Percentile
25.1%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| matrix-synapse | ge | 0.34.0 | |
| matrix-synapse | lt | 1.93.0 |
References
github.com/advisories/GHSA-7565-cq32-vx2x
github.com/matrix-org/synapse/commit/63d28a88c1d18c64ea7e23b6dd7483e6d5dcf881
github.com/matrix-org/synapse/pull/16327
github.com/matrix-org/synapse/security/advisories/GHSA-7565-cq32-vx2x
lists.fedoraproject.org/archives/list/[email protected]/message/2AFB2Y3S2VCPCN5P2XCZTG24MBMZ7DM4/
lists.fedoraproject.org/archives/list/[email protected]/message/65QPC55I4D27HIZP7H2NQ34EOXHPP4AO/
lists.fedoraproject.org/archives/list/[email protected]/message/N6P4QULVUE254WI7XF2LWWOGHCYVFXFY/
nvd.nist.gov/vuln/detail/CVE-2023-42453
security.gentoo.org/glsa/202401-12
Related
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
0.001 Low
EPSS
Percentile
25.1%