SB2020020404 - Multiple vulnerabilities in JetBrains IntelliJ IDEA

Description

This security bulletin contains information about 3 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2020-7914)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an XSLT debugger plugin misconfiguration allows arbitrary file read operations over the network. A remote attacker can gain unauthorized access to sensitive information on the system.

2) Information disclosure (CVE-ID: CVE-2020-7905)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the ports listened to by IntelliJ IDEA are exposed to the network. A remote attacker can gain unauthorized access to sensitive information on the system.

3) Cleartext transmission of sensitive information (CVE-ID: CVE-2020-7904)

CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information

CVSSv4: 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:U/U:Clear

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to some Maven repositories were accessed via HTTP instead of HTTPS. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

Remediation

Install update from vendor's website.

References

• https://blog.jetbrains.com
• https://blog.jetbrains.com/blog/2020/01/24/jetbrains-security-bulletin-q4-2019/