Integer Overflow or Wraparound
CVE-2021-32559
Summary
An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.
- LOW
- NETWORK
- NONE
- UNCHANGED
- NONE
- LOW
- NONE
- HIGH
CWE-190 - Integer Overflow or Wraparound
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
References
Advisory Timeline
- Published