Vulnerability identifier: #VU95787

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35161

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Traffic Server
Server applications / Web servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected application forwards malformed HTTP chunked trailer section to origin servers. A remote attacker can perform the request smuggling and cache poisoning attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Traffic Server: 8.1.0 - 8.1.10, 8.0.0 - 8.0.8, 9.2.0 - 9.2.4, 9.1.0 - 9.1.4, 9.0.0 - 9.0.2

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External links
http://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0

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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.