#VU25090 Improper input validation in Oracle Java SE - CVE-2020-2655

Vulnerability identifier: #VU25090

Vulnerability risk: Medium

CVSSv4.0: 2.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2020-2655

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Oracle Java SE
Universal components / Libraries / Software for developers

Vendor: Oracle

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the JSSE component in Java SE. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle Java SE: 11.0.5, 13.0.1

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External links
https://www.oracle.com/security-alerts/cpujan2020.html

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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. However, proof of concept for this vulnerability is available.