CVE-2018-20538: Use After Free
First published: Fri Dec 28 2018(Updated: )
There is a use-after-free at asm/preproc.c (function pp_getline) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service during certain finishes tests.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nasm Netwide Assembler | =2.14.0-rc16 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-20538?
CVE-2018-20538 is a vulnerability in Netwide Assembler (NASM) 2.14rc1 that allows an attacker to cause a denial of service through a use-after-free vulnerability in the pp_getline function in asm/preproc.c.
What is the severity of CVE-2018-20538?
The severity of CVE-2018-20538 is medium with a CVSS score of 5.5.
How does CVE-2018-20538 affect Netwide Assembler (NASM)?
CVE-2018-20538 affects Netwide Assembler (NASM) version 2.14rc16.
How can an attacker exploit CVE-2018-20538?
An attacker can exploit CVE-2018-20538 by causing a denial of service during certain finish tests.
Is there a fix available for CVE-2018-20538?
Yes, upgrading to a version of Netwide Assembler (NASM) higher than or equal to 2.14.0-rc16 resolves the vulnerability.
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