Discover the impact of CVE-2019-19647, a vulnerability in radare2 up to version 4.0.0 that could allow remote attackers to trigger a denial of service or execute other malicious actions. Learn about mitigation steps and necessary updates.
A vulnerability in radare2 up to version 4.0.0 could allow remote attackers to trigger a denial of service or potentially execute other malicious actions.
Understanding CVE-2019-19647
The vulnerability in radare2 could lead to arbitrary write access due to the lack of content variable validation in a specific function.
What is CVE-2019-19647?
This CVE involves a flaw in the function r_asm_pseudo_incbin at libr/asm/asm.c in radare2 up to version 4.0.0, which could be exploited by attackers to cause a denial of service or other unspecified consequences.
The Impact of CVE-2019-19647
The vulnerability could result in an arbitrary write vulnerability, potentially leading to a denial of service (application crash) or other malicious outcomes when attackers provide crafted input.
Technical Details of CVE-2019-19647
The technical details of the vulnerability in radare2 up to version 4.0.0.
Vulnerability Description
The absence of content variable validation in the function r_asm_pseudo_incbin at libr/asm/asm.c in radare2 up to version 4.0.0 results in an arbitrary write vulnerability.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by providing crafted input, potentially causing a denial of service or other unspecified consequences.
Mitigation and Prevention
Steps to address and prevent the CVE-2019-19647 vulnerability.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that radare2 is updated to version 4.0.1 or later to address the vulnerability.