Vulnerability identifier: #VU16808

Vulnerability risk: Low

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-20657

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the demangle_template function in cplus-dem.c in GNU libiberty. A remote attacker can trigger a memory leak via a crafted string and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Binutils: 2.31.1

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External links
http://www.securityfocus.com/bid/106444
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539

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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.