NULL pointer dereference in Radare2



Published: 2023-08-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-27114
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
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radare2
Universal components / Libraries / Software for developers

Vendor Radare

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU79754

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-27114

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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 wasm_dis() function in p/wasm/wasm.c. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

radare2: 5.0.0 - 5.8.2

External links

http://github.com/radareorg/radare2/issues/21363
http://github.com/radareorg/radare2/commit/a15067a8eaa836bcc24b0882712c14d1baa66509


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.



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