#VU67182 Double Free in Rizin - CVE-2022-36043

Vulnerability identifier: #VU67182

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-36043

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

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

Vendor: Rizin

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the bobj.c:rz_bin_reloc_storage_free() function when freeing relocations generated from QNX binary plugin. A remote attacker can trick a victim to open a specially crafted file, trigger double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Rizin: 0.1.0 - 0.4.0

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External links
https://github.com/rizinorg/rizin/issues/2964
https://github.com/rizinorg/rizin/commit/a3d50c1ea185f3f642f2d8180715f82d98840784
https://github.com/rizinorg/rizin/security/advisories/GHSA-rjhv-mj4g-j4p5

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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.