PT-2021-21329 · Radare2+1 · Radare2+1

Guilherme De Almeida Suckevicz · Published 2021-08-02 · Updated 2024-06-15 · CVE-2021-3673

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Radare2 version 5.3.1

Description A vulnerability was found in Radare2 where improper input validation when reading a crafted LE binary can lead to resource exhaustion and DoS.

Recommendations For Radare2 version 5.3.1, consider updating to a newer version that addresses the improper input validation issue to prevent resource exhaustion and DoS attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Unchecked Return Value

RCE

Weakness Enumeration

CWE-252

CWE-20

Related Identifiers

ALT-PU-2022-1001

CVE-2021-3673

MGASA-2022-0440

OPENSUSE-SU-2024:11295-1

Affected Products

Alt Linux

Radare2

References · 29

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=1989130 · Exploit
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/JIARALLVVY2362AYFSFULTZKIW6QO5R5 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2022-0440 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11295-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3673 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3673 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKGIB52R4XPCPNEW6GF56EHW7ST24IJU · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NFQPEPMLAOQNGZG5OHSPZBNONGG4DDJO · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/IQIRJ72UALGMSWH6MYPVJQQLXFGZ23RS · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XGOU2EFE7YK2YDRNFV6QFUWW2SL2GGQA · Vendor Advisory
• https://advisories.mageia.org/MGASA-2022-0440.html · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3673 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-3673 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQIRJ72UALGMSWH6MYPVJQQLXFGZ23RS · Vendor Advisory