PoC Index

CVE-2017-17790

CRITICAL 9.8EPSS 5.9%

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.

CVSS v3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
5.91% chance of exploitation in the next 30 days, 93th percentile
Published
2017-12-20
Updated
2024-08-05

Proof-of-concept exploits (1)

References

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