#VU36703 Buffer overflow in radare2 - CVE-2018-15834

Vulnerability identifier: #VU36703

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-2018-15834

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
radare2
Universal components / Libraries / Software for developers

Vendor: Radare

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

In radare2 before 2.9.0, a heap overflow vulnerability exists in the read_module_referenced_functions function in libr/anal/flirt.c via a crafted flirt signature file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

radare2: 2.0.0 - 2.8.0

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External links
https://github.com/radare/radare2/issues/11274
https://github.com/radare/radare2/pull/11300

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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.