Alert! Hackers Exploiting GitLab Unauthenticated RCE Flaw in the Wild
Nov 02, 2021
A now-patched critical remote code execution (RCE) vulnerability in GitLab's web interface has been detected as actively exploited in the wild, cybersecurity researchers warn, rendering a large number of internet-facing GitLab instances susceptible to attacks. Tracked as CVE-2021-22205 , the issue relates to an improper validation of user-provided images that results in arbitrary code execution. The vulnerability, which affects all versions starting from 11.9, has since been addressed by GitLab on April 14, 2021 in versions 13.8.8, 13.9.6, and 13.10.3. In one of the real-world attacks detailed by HN Security last month, two user accounts with admin privileges were registered on a publicly-accessible GitLab server belonging to an unnamed customer by exploiting the aforementioned flaw to upload a malicious payload "image," leading to remote execution of commands that granted the rogue accounts elevated permissions. Attacks exploiting the vulnerability ar...