Lucene search

K
cve[email protected]CVE-2021-32495
HistoryJul 07, 2023 - 7:15 p.m.

CVE-2021-32495

2023-07-0719:15:00
CWE-416
web.nvd.nist.gov
12
cve-2021-32495
radare2
pyc parser
use-after-free vulnerability
denial of service

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

34.3%

Radare2 has a use-after-free vulnerability in pyc parser’s get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.

CPENameOperatorVersion
radare:radare2radare radare2eq5.3.0

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

34.3%