#VU39357 NULL pointer dereference in radare2 - CVE-2017-7274

Vulnerability identifier: #VU39357

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-7274

CWE-ID: CWE-476

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted PE file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

radare2: 1.3.0

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External links
https://www.securityfocus.com/bid/97181
https://github.com/radare/radare2/commit/7ab66cca5bbdf6cb2d69339ef4f513d95e532dbf
https://github.com/radare/radare2/issues/7152

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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.