Vulnerability identifier: #VU46196

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14150

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
GNU Bison
Other software / Other software solutions

Vendor: GNU

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GNU Bison: 3.5 - 3.5.3

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External links
http://bugs.gentoo.org/717936
http://lists.gnu.org/archive/html/info-gnu/2020-04/msg00000.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.