SB2020032414 - Multiple vulnerabilities in Apache Traffic Server

Description

This security bulletin contains information about 3 vulnerabilities.

1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2019-17565)

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to improper input validation in HTTP headers and chunked encoding. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.

2) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2019-17559)

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to improper input validation in HTTP headers and scheme parsing. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.

3) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2020-1944)

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to improper input validation in HTTP headers and a Content-Length header. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.

Remediation

Install update from vendor's website.

References

• https://lists.apache.org/thread.html/r99d18d0bc4daa05e7d0e5a63e0e22701a421b2ef5a8f4f7694c43869%40%3Cannounce.trafficserver.apache.org%3E