Escape shell arguments#8
Open
sambostock wants to merge 1 commit into
Open
Escape shell arguments#8sambostock wants to merge 1 commit into
sambostock wants to merge 1 commit into
Conversation
235eb91 to
3daf143
Compare
Passing strings to diff as unescaped shell arguments to printf can result in unexpected (and potentially exploitable) behaviour if the strings contain special characters, such as backticks (`).
This file contains hidden or 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
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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.
Passing strings to diff as unescaped shell arguments to
printfcan result in unexpected (and potentially exploitable) behaviour if the strings contain special characters, such as backticks (`).This adds a basic test which replicates the bug, and replaces the use of
JSON.stringifywith a basicescapeShellArgfunction, adapted from StackOverflow.It would probably be good to get review from someone with more security knowledge.