CVE-2019-18409

Public Exploit

Description

The ruby_parser-legacy (aka legacy) gem 1.0.0 for Ruby allows local privilege escalation because of world-writable files. For example, if the brakeman gem (which has a legacy dependency) 4.5.0 through 4.7.0 is used, a local user can insert malicious code into the ruby_parser-legacy-1.0.0/lib/ruby_parser/legacy/ruby_parser.rb file.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/zenspider/ruby_parser-legacy/issues/1 third party advisory issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2019-18409?
CVE-2019-18409 has been scored as a high severity vulnerability.
How to fix CVE-2019-18409?
To fix CVE-2019-18409, 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-2019-18409 being actively exploited in the wild?
It is possible that CVE-2019-18409 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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