PT-2023-12171 · Radare2 · Radare2

Ct-Zer0 · Published 2023-07-07 · Updated 2023-07-13 · CVE-2021-32495

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Radare2 (affected versions not specified)

Description The issue is related to a use-after-free vulnerability in the pyc parser's get none object function. This allows an attacker to read freed memory, potentially causing a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-32495

Affected Products

Radare2

References · 9

• https://github.com/radareorg/radare2/issues/18666 · Vendor Advisory
• https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-32495 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-32495 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-32495 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-32495 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-32495 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32495 · Security Note
• https://t.me/cibsecurity/66226 · Telegram Post