Arch Linux update for matrix-synapse



| Updated: 2025-04-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-5885
CWE-ID CWE-320
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Arch Linux
Operating systems & Components / Operating system

matrix-synapse
Operating systems & Components / Operating system package or component

Vendor Arch Linux

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Key management errors

EUVDB-ID: #VU76259

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-5885

CWE-ID: CWE-320 - Key Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to impersonate application users.

The vulnerability exists due to usage of a weak and predictable secret key if the macaroon_secret_key authentication parameter is not set. A remote attacker can impersonate other application users.

Mitigation

Update the affected package matrix-synapse to version 0.34.1.1-1.

Vulnerable software versions

Arch Linux: All versions

matrix-synapse: before 0.34.1.1-1

CPE2.3 External links

https://security.archlinux.org/advisory/ASA-201901-12


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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