t1lib is prone to an overflow condition. The 'token()' function in 'backend/dvi/mdvi-lib/afmparse.c' fails to properly sanitize user-supplied input resulting in a heap-based buffer overflow. With a specially crafted DVI file, a context-dependent attacker can potentially execute arbitrary code.
Classification
Location:
Local / Remote,
Context Dependent
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Patch / RCS
Exploit:
Exploit Unknown
Disclosure:
Vendor Verified
Solution
Currently, there are no known workarounds or upgrades to correct this issue. However, vendors have released a patch to address this vulnerability.
