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Gitlab Patches a Critical RCE Flaw in Latest Security Advisory

The flaw allowed authorized user to import a maliciously designed project and launch remote code execution.


Security researchers at Gitlab have issued a patch for a critical vulnerability that allows hackers to execute code remotely. 

The security bug tracked as CVE-2022-2185, impacts all versions starting from 14.0 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1 where an authorized user could import a maliciously designed project to launch remote code execution. 

GitLab is a web-based DevOps life cycle platform offering an open-source license from GitLab Inc. to offer wiki, problem-tracking, and continuous pipeline integration and deployment capabilities. Ukrainian programmers Dmytro Zaporozhets and Valery Sizov have manufactured the program.

 Multiple security flaws 

Fixes for a number of other vulnerabilities were also released in the latest version, including two separate cross-site scripting (XSS) bugs. The vulnerabilities impacted both GitLab Community Edition and Enterprise Edition. Security researchers have recommended users upgrade to the latest version. 

“We strongly recommend that all installations running a version affected by the issues described below are upgraded to the latest version as soon as possible. When no specific deployment type (omnibus, source code, helm chart, etc.) of a product is mentioned, this means all types are affected,” an advisory from GitLab reads. 

Last year in July, Gitlab patched multiple vulnerabilities — including two high-impact online security flaws by updating its software development infrastructure. In GitLab's GraphQL API, a cross-site request forgery (CSRF) developed a mechanism for a hacker to call modifications while impersonating their victims. The Gitlab Webhook feature was exploited for denial- of service (DoS) assaults because of a second high-level security vulnerability. 

An attack by a Denial-of-Service (DoS) is designed to shut down a user computer system or network, which makes it unreachable to its intended users. DoS attacks achieve this by flooding or delivering information to the target causing a crash. 'Afewgoats' researchers identified DoS vulnerability and reported it via a HackerOne-operated GitLab bug reward program. 

For both higher intensity vulnerabilities, CVE trackers were requested, although identification was not assigned. "The webhook connections usually have timeouts set, but my badly-behaving webserver can bypass them and keep the connection open for days," afewgoats explained. 

"It's the only Denial of Service, but it could tie up huge amounts of memory on the victim servers." To mitigate the risks, Gitlab patched 15 medium severity and two low-impact issues. These add-on vulnerabilities also included a clipboard DOM-based cross-site scripting (XSS) issue, a reflected XSS in release edit pages, and the audit log problem of the stored XSS.
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