kotlin: CVE-2020-29582

Debian Bug report logs - #1001037
kotlin: CVE-2020-29582

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: kotlin: CVE-2020-29582

Date: Thu, 02 Dec 2021 22:50:40 +0100

Source: kotlin
Version: 1.3.31+~1.0.1+~0.11.12-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi Andrej,

Looking at
https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/
there is an entry for Kotlin. It is said to be fixed in 1.4.21 but
there is little other information.

https://youtrack.jetbrains.com/issue/KT-42181 is not accessible
neither.

I'm filling this bug for tracking the issue:

CVE-2020-29582:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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