Integer overflow in radare2 - CVE-2019-19590
Published: December 5, 2019 / Updated: January 25, 2021
Vulnerability identifier: #VU23422
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-19590
CWE-ID: CWE-190
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 compromise the target system.
The vulnerability exists due to integer overflow for the variable "new_token_size" in the "r_asm_massemble" function in "libr/asm/asm.c". A remote attacker can trigger integer overflow, which will result in a Use-After-Free for the buffer tokens and cause a denial of service (DoS) condition or possibly execute arbitrary code via crafted input.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-19590
Install update from vendor's website.