CWE
125
Advisory Published
Updated

CVE-2018-20456

First published: Tue Dec 25 2018(Updated: )

In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash in libr/util/strbuf.c via a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
radare2<3.1.1

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Frequently Asked Questions

  • What is the severity of CVE-2018-20456?

    CVE-2018-20456 has been classified as a denial of service vulnerability.

  • How do I fix CVE-2018-20456?

    To mitigate CVE-2018-20456, upgrade to radare2 version 3.1.1 or later.

  • What attack vector can exploit CVE-2018-20456?

    CVE-2018-20456 can be exploited by providing a specially crafted input file to radare2.

  • What component of radare2 is affected by CVE-2018-20456?

    The vulnerability in CVE-2018-20456 affects the parseOperand function in libr/asm/p/asm_x86_nz.c.

  • What are the potential consequences of CVE-2018-20456?

    Exploitation of CVE-2018-20456 may lead to an application crash due to a stack-based buffer over-read.

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