Vital Safety Flaw Discovered In JetBrains TeamCity

Researchers caught a severe safety flaw in JetBrains TeamCity software program that would enable unauthenticated code execution assaults. JetBrains patched the vulnerability following the bug report, urging customers to replace their servers as quickly as attainable.

JetBrains TeamCity Flaw May Permit Distant Code Execution

In line with a latest post from the cybersecurity agency Sonar, their researchers discovered a extreme safety flaw in JetBrains’ CI/CD software TeamCity.

Exploiting the flaw might enable an unauthenticated, distant adversary to execute codes on the goal servers. Within the worst-case state of affairs, an attacker might even acquire elevated privileges, comparable to system privileges, on the sufferer servers, having access to delicate information, together with supply codes.

As defined, the vulnerability, CVE-2023-42793existed as a result of an authentication bypass. Whereas the researchers haven’t shared the technical particulars concerning the flaw but, they did verify that exploiting the flaw is trivial, indicating its likeliness for exploitation within the wild.

In addition to the researchers additionally demonstrated the vulnerability exploits within the following video, explaining how an attacker could acquire elevated privileges to entry delicate information. This enables the adversary to steal saved service secrets and techniques and personal keys, inject malicious codes into construct processes that would not directly impression the shoppers with malicious releases, and steal supply codes.

Particularly, an attacker might carry out all these actions with out a legitimate account on the goal occasion, requiring no consumer interplay to use the flaw.

JetBrains Patched The Vulnerability

After discovering the vulnerability, the researchers reported the matter to JetBrains, following which the distributors patched the flaw.

In line with their advisorythe patch has been launched with TeamCity On-Premises model 2023.05.4. JetBrains clarified that the vulnerability didn’t have an effect on TeamCity Cloud; nonetheless, they upgraded the Cloud servers to the most recent variations.

As for TeamCity On-Premises, the distributors urge the customers to replace their servers with the most recent software program launch to obtain the safety repair. For conditions the place updating servers isn’t attainable, JetBrains has additionally launched a safety patch plugin supporting TeamCity 8.0+ to deal with the flaw.

Tell us your ideas within the feedback.

Author: Abeerah Hashim
Date: 2023-10-02 04:30:14

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Alina A, Toronto
Alina A, Toronto
Alina A, an UofT graduate & Google Certified Cyber Security analyst, currently based in Toronto, Canada. She is passionate for Research and to write about Cyber-security related issues, trends and concerns in an emerging digital world.


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