GHSA-hwfp-hg2m-9vr2
Integer overflow in pywin32
At a glance
- Published
- Updated
- CVE
- CVE-2021-32559
- Aliases
- PYSEC-2021-112
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Description
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.
Affected packages
| Package | Versions |
|---|---|
| PyPI · pywin32 | introduced 0, fixed 301 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-32559 ADVISORY
- https://github.com/mhammond/pywin32/issues/1700 WEB
- https://github.com/mhammond/pywin32/pull/1701 WEB
- https://github.com/advisories/GHSA-hwfp-hg2m-9vr2 ADVISORY
- https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md WEB
- https://github.com/mhammond/pywin32 PACKAGE
- https://github.com/mhammond/pywin32/releases WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/pywin32/PYSEC-2021-112.yaml WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |