2021-37553 | JetBrains YouTrack entropy

By Max On Aug 10, 2021

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2.5	$0-$5k	0.38

A vulnerability was found in JetBrains YouTrack. It has been declared as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a weak encryption vulnerability. The CWE definition for the vulnerability is CWE-332. As an impact it is known to affect confidentiality. The summary by CVE is:

In JetBrains YouTrack before 2021.2.16363, an insecure PRNG was used.

The weakness was disclosed 08/07/2021. The advisory is shared at blog.jetbrains.com. This vulnerability is known as CVE-2021-37553 since 07/26/2021. The exploitation appears to be difficult. Access to the local network is required for this attack to succeed. Required for exploitation is a single authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 2021.2.16363 eliminates this vulnerability.

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