CWE-680: Integer Overflow to Buffer Overflow
The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow.
How it's found
Integer Overflow to Buffer Overflow only appears when several contributing weaknesses combine. Testers look for each contributing condition separately, then chain them together to confirm the combined weakness is actually reachable and exploitable.
Consequences
- Modify Memory, DoS: Crash, Exit, or Restart, Execute Unauthorized Code or Commands
Where this fits in a TurboPentest engagement
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
Frequently asked questions
What is CWE-680?
The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow.
How do you find Integer Overflow to Buffer Overflow?
Integer Overflow to Buffer Overflow only appears when several contributing weaknesses combine. Testers look for each contributing condition separately, then chain them together to confirm the combined weakness is actually reachable and exploitable.
What is the impact of CWE-680?
Modify Memory, DoS: Crash, Exit, or Restart, Execute Unauthorized Code or Commands
Does TurboPentest test for Integer Overflow to Buffer Overflow?
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
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Written and reviewed by
Michel Chamberland - Founder & CEO, IntegSec
CISSP, OSCP, OSCE, CEH, GIAC, CCSK · 20+ years in offensive security
Michel has spent 20+ years on offensive security teams including IBM X-Force Red and Trustwave SpiderLabs, leading penetration tests, red team engagements, and breach response for Fortune 500 customers. He is the founder of IntegSec and the architect of TurboPentest.
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