Improper input validation in radare2 - CVE-2018-11383

 

Improper input validation in radare2 - CVE-2018-11383

Published: June 8, 2018


Vulnerability identifier: #VU13256
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-11383
CWE-ID: CWE-20
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 cause DoS condition on the target system.

The vulnerability exists in the r_strbuf_fini() function due to an uninitialized variable in the CPSE handler in libr/anal/p/anal_avr.c. A remote attacker can send a specially crafted ELF file, trigger invalid free and cause the application to crash.


How to mitigate CVE-2018-11383

Install update from vendor's website.

Sources