REDHAT-BUG-2426429: Buffer Overflow
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28543.
Affected Software
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2426429?
The severity of REDHAT-BUG-2426429 is considered critical due to its potential for remote code execution.
How do I fix REDHAT-BUG-2426429?
To fix REDHAT-BUG-2426429, you should update FontForge to the latest version provided by the vendor.
Who is affected by REDHAT-BUG-2426429?
Users of FontForge installations that can parse SFD files are affected by REDHAT-BUG-2426429.
What is the nature of the vulnerability in REDHAT-BUG-2426429?
REDHAT-BUG-2426429 is a heap-based buffer overflow vulnerability allowing for the execution of arbitrary code.
Is user interaction required to exploit REDHAT-BUG-2426429?
Yes, user interaction is required as the target must visit a malicious SFD file for the exploit to trigger.