Remote code execution in Flex



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-5469
CVE-2016-6354
CWE-ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Flex
Universal components / Libraries / Libraries used by multiple products

Vendor Flex

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU6351

Risk: High

CVSSv4.0: 6.1 [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 - Heap-based Buffer Overflow

Exploit availability: No

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.

Mitigation

Update to version 2.1.6.

Vulnerable software versions

Flex: 2.6

CPE2.3 External links

https://www.openwall.com/lists/oss-security/2016/07/18/8


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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