#VU35763 Cryptographic issues in kotlin - CVE-2019-10101

Vulnerability identifier: #VU35763

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-10101

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
kotlin

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

JetBrains Kotlin versions before 1.3.30 were resolving artifacts using an http connection during the build process, potentially allowing an MITM attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

kotlin: 1.3.0 - 1.3.21

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External links
https://blog.jetbrains.com/blog/2019/06/19/jetbrains-security-bulletin-q1-2019/
https://medium.com/bugbountywriteup/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.