Multiple vulnerabilities in Radare2



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-4843
CVE-2023-0302
CWE-ID CWE-476
CWE-74
Exploitation vector Network
Public exploit N/A
Vulnerable software
 radare2
Universal components / Libraries / Software for developers

Vendor Radare

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU79752

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-4843

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 r_io_bank_read_at() function in io_bank.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 - 5.8.0

CPE2.3 External links

https://huntr.dev/bounties/075b2760-66a0-4d38-b3b5-e9934956ab7f
https://github.com/radareorg/radare2/commit/842f809d4ec6a12af2906f948657281c9ebc8a24
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OFCCTYAD7ASNQ23ABCUPAZHEDEIOCW6T/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FOXRDPI3OYYKO4PKXE3XD2IFONL6BCHR/


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.

2) Code injection

EUVDB-ID: #VU79753

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-2023-0302

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation. A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

radare2: 5.0.0 - 5.8.0

CPE2.3 External links

https://huntr.dev/bounties/583133af-7ae6-4a21-beef-a4b0182cf82e
https://github.com/radareorg/radare2/commit/961f0e723903011d4f54c2396e44efa91fcc74ce


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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