Fixed command Injection #1777
Closed
Fixed command Injection #1777
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Command Injection in Hosts::new() by use of Kernel#open
|
Here is the PoC of command injection require 'resolv'
a = Resolv::Hosts::new("|echo 1 > /tmp/rce")
a.getaddress("lol") |
|
What situation is that an external input is fed to |
|
Well actually kinda never. That is why I made a pr instead of reporting it to the security email. |
|
There is a CVE with a score of 7.5 against this: https://www.cvedetails.com/cve/CVE-2017-17790/ I don't see a code merge entry for this pull request. Has this CVE been resolved through a separate channel? If so please document by linking to that. |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Command Injection in Hosts::new() by use of Kernel#open