Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Implement PLTE & tEXt chunks injection for PNG files #22

Open
sighook opened this issue Mar 14, 2023 · 0 comments
Open

Implement PLTE & tEXt chunks injection for PNG files #22

sighook opened this issue Mar 14, 2023 · 0 comments
Labels
enhancement New feature or request good first issue Good for newcomers

Comments

@sighook
Copy link
Owner

sighook commented Mar 14, 2023 •
edited

Description:

Since we already have IDAT chunk injection that survives the various post-filtering techniques like PHP-GD compression, PHP-GD resizing, and ImageMagick resizing (unlike PLTE & tEXt), this is not a hot issue. But, nice to have more options.

Reference:

https://www.synacktiv.com/publications/persistent-php-payloads-in-pngs-how-to-inject-php-code-in-an-image-and-keep-it-there.html
Credits to Quentin Roland.
@sighook sighook added enhancement New feature or request good first issue Good for newcomers labels Mar 14, 2023
@sighook sighook pinned this issue May 20, 2023
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
enhancement New feature or request good first issue Good for newcomers
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@sighook