Input validation error in radare2 - CVE-2019-19647
Published: December 9, 2019 / Updated: January 25, 2021
Vulnerability identifier: #VU49983
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-19647
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Radare
Affected software:
radare2
radare2
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the r_asm_pseudo_incbin(0 function at libr/asm/asm.c. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2019-19647
Install updates from vendor's website.
Sources
- https://github.com/radareorg/radare2/issues/15545
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WRQXCOVFWZIIMAZIAAFAVQGZOS7LGHXP/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YQTOWEDFXDTGTD6D4NHRB4FUURQSTTEN/