Zero-day vulnerability in Adobe Flash Player

Integer underflow
CVE-2014-0497

Exploited by DarkHotel APT.

The vulnerability survived for 84 days after update in November 2013.

Vulnerability details

Advisory: SB2014020401 - Remote code execution in Adobe Flash Player

Vulnerable component: Adobe Flash Player

CVE-ID: CVE-2014-0497

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-191 - Integer underflow

Description:

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to integer underflow when processing .swf files. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Public Exploits:

- Adobe Flash Player - Integer Underflow Remote Code Execution (Metasploit) [Exploit-DB]

External links:

https://helpx.adobe.com/security/products/flash-player/apsb14-04.html
https://securingtomorrow.mcafee.com/mcafee-labs/flash-zero-day-vulnerability-cve-2014-0497-lasts-84-...
https://blogs.technet.microsoft.com/mmpc/2014/02/17/a-journey-to-cve-2014-0497-exploit/
https://www.fireeye.com/blog/threat-research/2015/03/flash_in_2015.html
http://securityaffairs.co/wordpress/21937/cyber-crime/adobe-flash-player-fixed.html
https://business.kaspersky.com/darkhotel-hackingteam/4357/

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.