#VU63673 Access of Uninitialized Pointer in radare2 - CVE-2022-1809

Vulnerability identifier: #VU63673

Vulnerability risk: High

CVSSv4.0: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2022-1809

CWE-ID: CWE-824

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 execute arbitrary code on the target system.

The vulnerability exists due to access of uninitialized pointer. A remote attacker can use a specially crafted file and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

radare2: 5.6.0 - 5.6.8

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External links
https://huntr.dev/bounties/0730a95e-c485-4ff2-9a5d-bb3abfda0b17
https://github.com/radareorg/radare2/commit/919e3ac1a13f753c73e7a8e8d8bb4a143218732d

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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. However, proof of concept for this vulnerability is available.