https://seclists.org/oss-sec/2023/q4/152: with firefox on X11, any page can pastejack you anytime
Published Oct 19, 2023
·Updated
Affected Software
4 affected components
Mozilla Firefox
X.Org X11
FiSH Fish Shell
Bash Bash
Frequently Asked Questions
1
What is the severity of pastejack vulnerability in Firefox on X11?
The pastejack vulnerability in Firefox on X11 is considered a moderate security risk due to the potential for security bypass through paste commands.
2
How can I mitigate the pastejack vulnerability in Firefox on X11?
To mitigate the pastejack vulnerability in Firefox on X11, it's recommended to limit the use of copy-paste functionality and adjust X11 permissions.
3
Which software versions are affected by the pastejack vulnerability in Firefox on X11?
The pastejack vulnerability affects Mozilla Firefox running on X.Org X11 and may also impact the use of shells like Bash and Fish when pasting commands.
4
Can the pastejack vulnerability in Firefox on X11 affect other applications?
Yes, the pastejack vulnerability can also affect other applications that utilize X11 for graphical display when handling pasted content.
5
What type of attack is possible due to the pastejack vulnerability in Firefox on X11?
The pastejack vulnerability can allow an attacker to execute arbitrary commands by crafting malicious content that gets pasted into the terminal.