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.
References
| Link | Resource |
|---|---|
| https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md | Third Party Advisory |
| https://github.com/mhammond/pywin32/issues/1700 | Patch Third Party Advisory |
| https://github.com/mhammond/pywin32/pull/1701 | Third Party Advisory |
| https://github.com/mhammond/pywin32/releases | Release Notes Third Party Advisory |
| https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md | Third Party Advisory |
| https://github.com/mhammond/pywin32/issues/1700 | Patch Third Party Advisory |
| https://github.com/mhammond/pywin32/pull/1701 | Third Party Advisory |
| https://github.com/mhammond/pywin32/releases | Release Notes Third Party Advisory |
Configurations
History
27 Mar 2025, 14:21
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Mhammond
Mhammond pywin32 |
|
| CPE | cpe:2.3:a:mhammond:pywin32:*:*:*:*:*:*:*:* |
21 Nov 2024, 06:07
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md - Third Party Advisory | |
| References | () https://github.com/mhammond/pywin32/issues/1700 - Patch, Third Party Advisory | |
| References | () https://github.com/mhammond/pywin32/pull/1701 - Third Party Advisory | |
| References | () https://github.com/mhammond/pywin32/releases - Release Notes, Third Party Advisory |
Information
Published : 2021-07-06 12:15
Updated : 2025-03-27 14:43
NVD link : CVE-2021-32559
Mitre link : CVE-2021-32559
CVE.ORG link : CVE-2021-32559
JSON object : View
Products Affected
mhammond
- pywin32
CWE
CWE-190
Integer Overflow or Wraparound