PT-2022-22188 · Radare2 · Radare2

Chingggo · Published 2022-07-22 · Updated 2022-07-29 · CVE-2022-34520

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Radare2 version 5.7.2

Description The issue is related to a NULL pointer dereference via the function r bin file xtr load buffer at bin/bfile.c. This allows attackers to cause a Denial of Service (DOS) via a crafted binary file.

Recommendations For Radare2 version 5.7.2, as a temporary workaround, consider disabling the r bin file xtr load buffer function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-34520

Affected Products

Radare2

References · 9

• 🔥 https://github.com/radareorg/radare2/issues/20354 · Exploit
• https://osv.dev/vulnerability/CVE-2022-34520 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-34520 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-34520 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-34520 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-34520 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-34520 · Security Note
• https://t.me/cvenotify/33615 · Telegram Post
• https://t.me/cibsecurity/46804 · Telegram Post