Heap-based buffer overflow in radare2 - CVE-2023-5686

 

Heap-based buffer overflow in radare2 - CVE-2023-5686

Published: November 10, 2023


Vulnerability identifier: #VU82986
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-5686
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Radare
Affected software:
radare2

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the java_print_opcode() function in radare2/shlr/java/code.c. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2023-5686

Install updates from vendor's website.

Sources