Heap-based buffer overflow in Flex - CVE-2017-5469,CVE-2016-6354
Published: April 19, 2017
Vulnerability identifier: #VU6351
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-2017-5469,CVE-2016-6354
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Flex
Affected software:
Flex
Flex
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in yy_get_next_buffer() function in Flex before 2.6.1. A remote attacker can trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2017-5469,CVE-2016-6354
Update to version 2.1.6.