CVE-2020-29582 Incorrect Default Permissions in JetBrains Kotlin

What is CVE-2020-29582?

CVE-2020-29582 is a medium-severity vulnerability in Oracle Communications Cloud Native Core Policy, published on 3 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In JetBrains Kotlin before 1.4.21, a vulnerable Java API was used for temporary file and folder creation. An attacker was able to read data from such files and list directories due to insecure permissions.

Weakness: CWE-276

Which versions are affected by CVE-2020-29582?

2 open source packages ship an affected version, including org.jetbrains.kotlin:kotlin-stdlib. It affects 4 products.

Products include Jetbrains Kotlin, Oracle Communications Cloud Native Core Network Slice Selection Function, Oracle Communications Cloud Native Core Policy, Oracle Communications Cloud Native Core Service Communication Proxy.

How do I fix CVE-2020-29582?

Upgrade org.jetbrains.kotlin:kotlin-stdlib to 1.4.21 or later.

Is CVE-2020-29582 being exploited?

There is no known exploitation of CVE-2020-29582 in the wild and no public exploit code.

Other vulnerabilities in Oracle Communications Cloud Native Core Policy

• CVE-2020-15824 Privilege escalation in n/a High 8.8
• CVE-2019-10101 Other in n/a High 8.1
• CVE-2019-10102 Supply chain in n/a High 8.1
• CVE-2019-10103 Other in n/a High 8.1
• CVE-2026-53914 JetBrains Kotlin: Unsafe Deserialization in Kotlin Build Cache Enables Code Execution Medium 6.7

All Oracle Communications Cloud Native Core Policy vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-29582, GHSA-cqj8-47ch-rvvq, UBUNTU-CVE-2020-29582.