Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
Low
Attack Vector
Network
0

CVE-2023-41335

Disclosure Date: September 27, 2023
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn’t grant the server any added capabilities—it already learns the users’ passwords as part of the authentication process—it does disrupt the expectation that passwords won’t be stored in the database. As a result, these passwords could inadvertently be captured in database backups for a longer duration. These temporarily stored passwords are automatically erased after a 48-hour window. This issue has been addressed in version 1.93.0. Users are advised to upgrade. There are no known workarounds for this issue.

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CVSS V3 Severity and Metrics
Base Score:
3.7 Low
Impact Score:
2.5
Exploitability Score:
1.2
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
None

General Information

Vendors

  • fedoraproject,
  • matrix

Products

  • fedora 37,
  • fedora 38,
  • synapse
Technical Analysis