The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade Amazon-Linux:2
rubygem-psych
to version 0:2.0.0-33.amzn2.0.1 or higher.
This issue was patched in ALAS2-2018-983
.
Note: Versions mentioned in the description apply only to the upstream rubygem-psych
package and not the rubygem-psych
package as distributed by Amazon-Linux
.
See How to fix?
for Amazon-Linux:2
relevant fixed versions and status.
The lazy_initialize function in lib/resolv.rb in Ruby through 2.4.3 uses Kernel#open, which might allow Command Injection attacks, as demonstrated by a Resolv::Hosts::new argument beginning with a '|' character, a different vulnerability than CVE-2017-17405. NOTE: situations with untrusted input may be highly unlikely.