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: 6.7 [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]
CVE-ID: CVE-2018-20458
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
radare2
Fedora
radare2
Fedora
radare2
How to mitigate CVE-2018-20458
Install update from vendor's website.
radare2 - update to 3.1.1
radare2 - addressed in versions 3.2.0-1.fc28, 3.2.0-1.fc29
radare2 - addressed in versions 3.2.0-1.fc28, 3.2.0-1.fc29