Csound is prone to an overflow condition. The getnum() function in util/pv_import.c fails to properly sanitize user-supplied input resulting in a stack-based buffer overflow. With a specially crafted PVOC 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:
Upgrade
Exploit:
Exploit Private
Disclosure:
Vendor Verified,
Coordinated Disclosure
Solution
Upgrade to version 5.16.6 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
