Denial of service in GNU Binutils

1) Resource exhaustion

EUVDB-ID: #VU13596

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12934

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:gnu:binutils:2.30:*:*:*:*:*:*:*

External links

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=85453

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.