#VU61685 Use-after-free in radare2 - CVE-2022-1031

Vulnerability identifier: #VU61685

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-1031

CWE-ID: CWE-416

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error in op_is_set_bp function. A remote attacker can execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

radare2: 0.8.6 - 5.6.4

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External links
https://huntr.dev/bounties/37da2cd6-0b46-4878-a32e-acbfd8f6f457
https://github.com/radareorg/radare2/commit/a7ce29647fcb38386d7439696375e16e093d6acb

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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.