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Citrix Patches Crucial Vulnerability in Gateway, ADC

By Ionut Arghire on November 09, 2022

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Citrix on Tuesday introduced patches for 3 vulnerabilities impacting its Gateway and ADC merchandise, together with one critical-severity flaw.

Extensively deployed throughout on-premises and cloud environments, Citrix Gateway is an SSL VPN resolution delivering single sign-on throughout functions and units.

Citrix ADC (previously NetScaler ADC) is an software supply and cargo balancing resolution that delivers visibility into functions throughout a number of cloud environments.

The newly recognized vulnerabilities, Citrix says, may very well be exploited to bypass authentication (CVE-2022-27510, CVSS rating of 9.8), launch a phishing assault resulting in distant desktop takeover (CVE-2022-27513, CVSS rating of 8.3), and bypass brute power protections (CVE-2022-27516, CVSS rating of 5.3).

For an assault to achieve success, nonetheless, the weak equipment should be configured as a VPN, Citrix notes in its advisory.

“Be aware that solely home equipment which can be working as a gateway (home equipment utilizing the SSL VPN performance or deployed as an ICA proxy with authentication enabled) are affected by the primary problem, which is rated as a important severity vulnerability,” Citrix says.

The three vulnerabilities have been addressed with the discharge of ADC and Gateway variations 13.1-33.47, 13.0-88.12, and 12.1-65.21, and in ADC 12.1-FIPS 12.1-55.289 and ADC 12.1-NDcPP 12.1-55.289.

The tech large additionally underlines the truth that ADC and Gateway variations previous to 12.1 reached end-of-life (EOL), encouraging clients nonetheless utilizing them to improve to a supported model.

Along with resolving these three vulnerabilities, the aforementioned ADC and Gateway releases embody safety enhancements to guard towards HTTP request smuggling assaults.

In a separate assist article, Citrix notes that clients updating ADCs to model 13.1-33.x would possibly expertise points with licensing and encourages them to both re-allocate a brand new license or contact the Citrix licensing/tech assist workforce for help.

Associated: Attackers Can Exploit Crucial Citrix ADM Vulnerability to Reset Admin Passwords

Associated: Citrix Patches Vulnerabilities in A number of Merchandise

Associated: Citrix Patches Hypervisor Vulnerabilities Permitting Host Compromise

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