CVE-2021-32559
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
pywin32是一个应用软件。提供对许多来自 Python 的 Windows API 的访问。 pywin32存在安全漏洞，该漏洞源于pywin32中存在一个整数溢出，当向访问控制列表(ACL)添加一个访问控制条目(ACE)时，会导致大小大于65535字节。成功利用此漏洞的攻击者可利用该漏洞可能会使受攻击的进程崩溃。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-32559
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
pywin32 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pywin32是一个应用软件。提供对许多来自 Python 的 Windows API 的访问。 pywin32存在安全漏洞，该漏洞源于pywin32中存在一个整数溢出，当向访问控制列表(ACL)添加一个访问控制条目(ACE)时，会导致大小大于65535字节。成功利用此漏洞的攻击者可利用该漏洞可能会使受攻击的进程崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-32559
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-32559 (1)
-
https://github.com/mhammond/pywin32/pull/1701 x_refsource_MISC
Other References for CVE-2021-32559 (3)
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https://github.com/mhammond/pywin32/issues/1700 x_refsource_MISC
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https://github.com/mhammond/pywin32/releases x_refsource_MISC
Same Patch Batch · n/a · 2021-07-06 · 8 CVEs total
| CVE-2021-27930 | 5.4 MEDIUM | IrisNext 跨站脚本漏洞 |
| CVE-2021-3598 | Industrial Light and Magic OpenEXR 缓冲区错误漏洞 | |
| CVE-2021-35440 | smashing 跨站脚本漏洞 | |
| CVE-2021-34190 | Issabel PBX 跨站脚本漏洞 | |
| CVE-2020-22251 | PhpList 跨站脚本漏洞 | |
| CVE-2020-22249 | PhpList 代码问题漏洞 | |
| CVE-2020-23697 | Monstra CMS 跨站脚本漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-32559
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