Out-of-bounds read in radare2 - CVE-2018-20458

 

Out-of-bounds read in radare2 - CVE-2018-20458

Published: December 25, 2018 / Updated: July 17, 2020


Vulnerability identifier: #VU31173
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-20458
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Radare
Affected software:
radare2

Detailed vulnerability description

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

In radare2 prior to 3.1.1, r_bin_dyldcache_extract in libr/bin/format/mach0/dyldcache.c may allow attackers to cause a denial-of-service (application crash caused by out-of-bounds read) by crafting an input file.


How to mitigate CVE-2018-20458

Install update from vendor's website.

Sources