CVE-2021-3673: A vulnerability was found in Radare2 in version 5.3.1

High severity · published Aug 2, 2021

CVE-2021-3673

A vulnerability was found in Radare2 in version 5.3.1

7.5

CVSS

1.8%

EPSS

On KEV

Description

A vulnerability was found in Radare2 in version 5.3.1. Improper input validation when reading a crafted LE binary can lead to resource exhaustion and DoS.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.8% · higher than 79% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Fedora · Fedoraproject

33; 34; 35 · source: NVD

Radare2 · Radare

5.3.1 · source: NVD

Affected product

Fedora

Fedoraproject

All Fedora CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-3673

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-3673

Exploit

https://bugzilla.redhat.com/show_bug.cgi?id=1989130

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQIRJ72UALGMSWH6MYPVJQQLXFGZ23RS/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIARALLVVY2362AYFSFULTZKIW6QO5R5/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NFQPEPMLAOQNGZG5OHSPZBNONGG4DDJO/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKGIB52R4XPCPNEW6GF56EHW7ST24IJU/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XGOU2EFE7YK2YDRNFV6QFUWW2SL2GGQA/