Vulnerability identifier: #VU74624

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-29013

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Traefik
Server applications / Other server solutions

Vendor: Containous

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when parsing HTTP and MIME headers. A remote attacker can cause an HTTP server to allocate large amounts of memory from a small request and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Traefik: 2.0.0 - 2.9.9

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External links
http://github.com/containous/traefik/releases/tag/v2.9.10
http://github.com/traefik/traefik/security/advisories/GHSA-7hj9-rv74-5g92

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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.