Arch Linux update for matrix-synapse



Published: 2021-05-25
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-29471
CWE ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Arch Linux
Operating systems & Components / Operating system

Vendor Arch Linux

Security Advisory

This security advisory describes one low risk vulnerability.

1) Resource management error

Risk:

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-29471

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the push rules implementation. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package matrix-synapse to version 1.33.2-1.

Vulnerable software versions

Arch Linux: All versions

CPE External links

https://security.archlinux.org/advisory/ASA-202105-19

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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