As you can see in the exploit above, the attacker attempts to download the "/etc/passwd" file. These vulnerabilities allow attackers to retrieve arbitrary files from the server. It is distributed via the Atlassian Marketplace.ĬVE-2023-26255 and CVE-2023-26256 were both made public at the same time and describe similar directory traversal vulnerabilities. The tool is a plugin for Jira to customize the look and feel of Jira. The vulnerability was disclosed in March as one of two vulnerabilities in "Stagil navigation for Jira – Menus & Themes". Yesterday, the request showed up again and reached our reporting threshold.Īll of yesterday's requests appear to come from a single Chinese consumer broadband IP address. We had one report for this URL on March 28th, but nothing since then. Today, I noticed the following URL on our "first seen URLs" page. This fix also resolves a reflected XSS (cross site scripting) issue CVE-2023-3466 and a privilege escallation issue CVE-2023-3467.Įxploit Attempts for "Stagil navigation for Jira Menus & Themes" CVE-2023-26255 and CVE-2023-26256 If your ADC faces the internet and you wait until the weekend, chances are someone else will own your ADC by then! This issue is especially urgent because malicious activity targeting this is already being seen in the wild, this definitely makes this a "patch now" situation (or as soon as you can schedule it). This affects ADC hosts configured in any of the "gateway" roles (VPN virtual server, ICA Proxy, CVPN, RDP Proxy), which commonly face the internet, or as an authentication virtual server (AAA server), which is usually visible only from internal or management subnets. This is an unauthenticated RCE (remote code execution), which means an attacker can run arbitrary code on your ADC without authentication. Ĭitrix ADC Vulnerability CVE-2023-3519, 34 - Patch Now!Ĭitrix released details on a new vulnerability on their ADC (Application Delivery Controller) yesterday (18 July 2023), CVE-2023-3519. ISC provides a free analysis and warning service to thousands of Internet users and organizations, and is actively working with Internet Service Providers to fight back against the most malicious attackers. Immediately apply the skills and techniques learned in SANS courses, ranges, and summits
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