#VU14569 Security restrictions bypass in Apache Traffic Server - CVE-2018-8004

Vulnerability identifier: #VU14569

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-8004

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 bypass security restrictions on the target system.

The vulnerability exists due to multiple HTTP smuggling and cache poisoning issues when clients make malicious requests. A remote attacker can send a specially crafted request and bypass security restrictions to conduct further attacks.

Mitigation
Update to version 6.2.3, 7.1.4.

Vulnerable software versions

Apache Traffic Server: 6.0.0, 6.1.0 - 6.1.1, 6.2.0 - 6.2.2, 7.0.0, 7.1.0 - 7.1.3

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External links
https://lists.apache.org/thread.html/7df882eb09029a4460768a61f88a30c9c30c9dc88e9bcc6e19ba24d5@%3Cusers.trafficserver.apache.org%3E

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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.