#VU60287 NULL pointer dereference in radare2 - CVE-2022-0419

Vulnerability identifier: #VU60287

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-0419

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
radare2
Universal components / Libraries / Software for developers

Vendor: Radare

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the libr/bin/p/bin_xnu_kernelcache.c file. A remote attacker can pass specially crafted data to the application, trigger a NULL pointer dereference error and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

radare2: 3.4.0 - 5.5.4

---

External links
https://huntr.dev/bounties/1f84e79d-70e7-4b29-8b48-a108f81c89aa
https://github.com/radareorg/radare2/commit/feaa4e7f7399c51ee6f52deb84dc3f795b4035d6
https://github.com/radareorg/radare2/releases/tag/5.6.0

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.