Lucene search

MitreCVE-2021-32559

HistoryJul 06, 2021 - 12:15 p.m.

CVE-2021-32559

2021-07-0612:15:21

CWE-190

mitre

web.nvd.nist.gov

cve-2021-32559

pywin32

integer overflow

access control entry

ace

access control list

acl

process crash

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

49.3%

JSON

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 configurations

Nvd

Node

pywin32_projectpywin32Range<b301

VendorProductVersionCPE
pywin32_projectpywin32*cpe:2.3:a:pywin32_project:pywin32:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
pywin32_project	pywin32	*	cpe:2.3:a:pywin32_project:pywin32::::::::

References

github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md

github.com/mhammond/pywin32/issues/1700

github.com/mhammond/pywin32/pull/1701

github.com/mhammond/pywin32/releases

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

49.3%

JSON

Related for CVE-2021-32559