An integer underflow vulnerability exists in the OLE Document DIFAT Parser functionality of catdoc 0.95. A specially crafted malformed file can lead to heap-based memory corruption. An attacker can provide a malicious file to trigger this vulnerability.
Weakness
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Catdoc | Fossies | 0.95 (including) | 0.95 (including) |
| Catdoc | Ubuntu | focal | * |
| Catdoc | Ubuntu | oracular | * |
| Catdoc | Ubuntu | plucky | * |