SB2022040515 - Multiple vulnerabilities in Rizin



SB2022040515 - Multiple vulnerabilities in Rizin

Published: April 5, 2022

Security Bulletin ID SB2022040515
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2021-43814)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the parse_die() function when reversing an AMD64 ELF binary with DWARF debug info. A remote attacker can trick the victim to open a malicious AMD64 ELF binary, trigger an out-of-bounds write and crash the affected application or execute arbitrary code on the target system.


2) Use-after-free (CVE-ID: CVE-2021-4022)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing files in the rz_core_analysis_type_match. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Remediation

Install update from vendor's website.