12/26/2023 0 Comments Remove microsoft autoupdateMicrosoft has updated the recommendations for vulnerabilities in Microsoft Exchange Server tracked as CVE-2022-41082 / CVE-2022- 41040. # (Example : set appfw policy my_WAF_policy q^_ANY("exception_list").NOT & ^Ĭitrix will continue to update this advisory for CVE-2022-41082 and CVE-2022-41040 as additional information becomes available. Prepend the existing WAF policy with _ANY("exception_list").NOT # (Example: bind policy patset exception_list "/exception_url") ![]() Set responder policy mitigate_cve_2022_41082_41040 -rule q^_ANY("exception_list").NOT & (_TEXT_MODE(IGNORECASE).CONTAINS("autodiscover.json") & Modifications to WAF Policy # (Example: bind policy patset exception_list “/exception_url”) Please note that any endpoint covered by the exception_list may expose those assets to the risks from CVE-2022-41082 and CVE-2022-41040. If any of your application availability is inadvertently impacted due to false positives resulting from these mitigation policies, Citrix recommends the following modifications to the policy. Citrix will continue to monitor this dynamic situation and update as new mitigations become available. Please bind the responder policy to the appropriate bind point (vserver or global).Īdd responder policy mitigate_cve_2022_41082_41040 q^_TEXT_MODE(IGNORECASE).CONTAINS("autodiscover.json") & DROPĬitrix recommends that Citrix Web App Firewall customers use the latest signature version, enable signatures auto-update, and subscribe to receive signature alert notifications. NetScaler Standard and Advanced edition customers, as well as Premium edition customers who do not have Citrix Web App Firewall signatures enabled, can use responder policies for protection as shown below. Search your signatures for CVE-2022-41082 LogString.If you are already using Citrix Web App Firewall with signatures with the auto-update feature enabled, you may follow these steps after verifying that the signature version is at least version 79. Citrix recommendations for CVE-2022-41082/CVE-2022-41040 with WAF signatures version 93 and Responder policies will also mitigate those. The Zero Day Initiative is tracking two vulnerabilities that haven’t been assigned CVE identifiers yet: ZDI-CAN-18333 (CVSS score: 8.8) and ZDI-CAN-18802 (CVSS score: 6.3). Please note, versions 11.1 and 12.0 are End of Life. Signatures are compatible with the following software versions of NetScaler (formerly Citrix ADC): 11.1, 12.0, 12.1, 13.0 and 13.1. If you are using Microsoft Exchange Server on-prem, Citrix strongly recommends that you download the signatures version 93 and apply to your Citrix Web App Firewall deployments as an additional layer of protection for your applications. Our threat research team has released updated Citrix Web App Firewall signatures designed to mitigate in part the CVE-2022-41082 and CVE-2022-41040 vulnerabilities. In addition, Citrix Web App Firewall customers should consider the following recommendations to improve the security of their applications and protect against this vulnerability. CVE-2022-41082: Remote code execution (RCE), when PowerShell is accessible to the attacker.Ĭitrix recommends that customers hosting a Microsoft exchange server on-prem follow Microsoft recommendations.CVE-2022-41040: Server-Side Request Forgery (SSRF) vulnerability.Per Microsoft, the CVE exposure is limited to on-prem Exchange Servers, so Exchange Online Customers do not currently need to take any action. On September 29 two new Microsoft Exchange Server (on-prem) zero day attacks were reported.Īn adversary who has access to a vulnerable on-prem Exchange Server can exploit the same through the Server-Side Request Forgery (SSRF) and conduct remote code execution if they have access to PowerShell. Citrix App Delivery and Security Service. ![]() To use AutoUpdate, start a Microsoft Office program, and then click Check for Updates on the Help menu. It automatically keeps Microsoft software up-to-date. AutoUpdate is provided together with Office. ![]() This update is available from Microsoft AutoUpdate. How to obtain the update Microsoft AutoUpdate for Mac The Resume button can be used to complete the remainder of the download without having to redownload data that was already received.ĪutoUpdate now performs a Silent installation when multiple updates are selected.ĪutoUpdate now works correctly with a web proxy server. This feature can be invoked manually or automatically if the network connection is lost. ImprovementsĪutoUpdate now supports a Pause feature when you download updates. This article describes improvements in Microsoft AutoUpdate 3.1. Microsoft AutoUpdate 3.1 was released on May 15, 2015. Description of Microsoft AutoUpdate 3.1 Summary
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