Heap-based buffer overflow in radare2 - CVE-2023-5686
Published: November 10, 2023
Vulnerability identifier: #VU82986
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2023-5686
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
radare2
Fedora
radare2
Fedora
radare2
How to mitigate CVE-2023-5686
Install updates from vendor's website.
radare2 - addressed in versions 5.8.8-2.el7, 5.8.8-2.el8, 5.8.8-2.el9, 5.8.8-2.fc37, 5.8.8-2.fc38