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Rewterz Threat Advisory – Multiple Apache Traffic Server Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-44040

Apache Traffic Server could allow a remote attacker to bypass security restrictions, caused by improper validation of user-supplied input when parsing request lines. An attacker could exploit this vulnerability to send invalid requests.

CVE-2021-44759

Apache Traffic Server is vulnerable to a man-in-the-middle attack, caused by improper authentication in TLS origin validation. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information or further compromise the system.

Impact

  • Unauthorized Access
  • Security Bypass

Indicator Of Compromise

CVE

  • CVE-2021-44040
  • CVE-2021-44759

Affected Vendors

Apache

Affected Products

  • Apache Traffic Server 8.0.0
  • Apache Traffic Server 8.1.0

Remediation

Upgrade to the latest version of Apache Traffic Server, available from the Apache Web site.

Apache Web site

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