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Rewterz Threat Advisory – Citrix ADC, Gateway and Citrix SD-WAN WANOP Multiple Security Vulnerabilities

Severity

High

Analysis Summary

CVE-2020-8190

Citrix ADC and Citrix Gateway could allow a local authenticated attacker to gain elevated privileges on the system, caused by an unspecified flaw. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to gain elevated privileges.


CVE-2020-8191

Citrix ADC, Citrix Gateway and Citrix SD-WAN WANOP are vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2019-18177

Citrix ADC and Citrix Gateway could allow a remote authenticated attacker to obtain sensitive information, caused by an unspecified flaw. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.

CVE-2020-8193

Citrix ADC, Citrix Gateway and Citrix SD-WAN WANOP could allow a remote attacker to bypass security restrictions, caused by improper authentication validation. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass access restrictions.

CVE-2020-8194

Citrix ADC, Citrix Gateway and Citrix SD-WAN WANOP could allow a remote attacker to execute arbitrary code on the system, caused by a code injection flaw. By persuading a victim to open a specially-crafted content, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2020-8196, CVE-2020-8195

Citrix ADC, Citrix Gateway and Citrix SD-WAN WANOP could allow a remote authenticated attacker to obtain sensitive information, caused by an unspecified flaw. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.

Impact

  • Cross-Site Scripting
  • Privilege escalation
  • Information disclosure

Affected Vendors

Citrix

Affected Products

  • Citrix ADC
  • Citrix Gateway
  • Citrix SD-WAN WANOP

Remediation

Refer to vendor’ advisory for the complete list of affected products and respective patches.

CTX276688