SB2019120513 - Integer overflow in radare2
Published: December 5, 2019 Updated: January 25, 2021
Security Bulletin ID
SB2019120513
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2019-19590)
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.
Remediation
Install update from vendor's website.