CVE-2021-23520

Public Exploit
Arbitrary File Write via Archive Extraction (Zip Slip)

Description

The package juce-framework/juce before 6.1.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) via the ZipFile::uncompressEntry function in juce_ZipFile.cpp. This vulnerability is triggered when the archive is extracted upon calling uncompressTo() on a ZipFile object.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.74% Top 30%
Third-Party Advisory github.com Third-Party Advisory snyk.io Third-Party Advisory snyk.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://snyk.io/research/zip-slip-vulnerability technical description third party advisory exploit
https://snyk.io/vuln/SNYK-UNMANAGED-JUCEFRAMEWORKJUCE-2388607 third party advisory patch exploit
https://github.com/juce-framework/JUCE/commit/2e874e80cba0152201aff6a4d0dc407997d10a7f third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23520?
CVE-2021-23520 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23520?
To fix CVE-2021-23520, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23520 being actively exploited in the wild?
It is possible that CVE-2021-23520 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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