PT-2021-5195 · Apache · Apache Traffic Server

Robert Butts · Published 2021-11-03 · Updated 2022-10-25 · CVE-2021-38161

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Apache Traffic Server versions 8.0.0 through 8.0.8

Description The issue is related to an Improper Authentication vulnerability in the TLS origin verification of Apache Traffic Server, which can be exploited for man-in-the-middle attacks. This allows a remote attacker to intercept and alter communication between the client and server.

Recommendations For Apache Traffic Server versions 8.0.0 through 8.0.8, update to a version outside of this range to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2021-05997

CVE-2021-38161

DSA-5153-1

Affected Products

Apache Traffic Server

References · 14

• https://debian.org/security/2022/dsa-5153 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-38161 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-38161 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-38161 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-38161 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05997 · Security Note
• https://osv.dev/vulnerability/DSA-5153-1 · Vendor Advisory
• https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-38161 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-38161 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-38161 · Vendor Advisory
• https://github.com/apache/trafficserver/commit/feefc5e4abc5011dfad5dcfef3f22998faf6e2d4 · Note
• https://openwall.com/lists/oss-security/2021/11/02/11 · Note
• https://t.me/cibsecurity/31738 · Telegram Post