#VU13596 Resource exhaustion in Binutils - CVE-2018-12934

Vulnerability identifier: #VU13596

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2018-12934

CWE-ID: CWE-400

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 cause DoS condition on the target system.

The vulnerability exists in the remember_Ktype function defined in the cplus-dem.c source code file, distributed as a component of binutils due to boundary error when executing cxxfiltto perform C++ symbol demangling operations. A remote attacker can trick the victim into accessing a file that submits malicious input, cause the system to consume excessive memory resources, resulting in an out-of-memory error and leading to a DoS condition. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Binutils: 2.30

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External links
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85453

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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.