Zero-day vulnerability in Adobe Flash Player

Integer overflow

The vulnerability was reported by Anton Ivanov from Kaspersky Lab. The vulnerability was used by the ScarCruft group in Operation Daybreak campaign.

Known malware:

Used in Angler Exploit Kit.

Vulnerability details

Advisory: SB2016031001 - Multiple vulnerabilities in Adobe Flash Player

Vulnerable component: Adobe Flash Player

CVE-ID: CVE-2016-1010

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE-ID: CWE-190 - Integer Overflow or Wraparound


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

The weakness exists due to integer overflow. A remote attacker can create a specially crafted Web site, trick the victim into visiting it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution.

Note: the vulnerability was being actively exploited.

Known APT campaigns:

Operation Daybreak

The Operation Daybreak is a malicious APT campaign that has being launched in March 2016. According to Kaspersky Lab, the campaign was executed by the ScarCruft APT.

The attackers were using spear-phishing emails to target high profile victims. The victim received an email with a malicious link to a compromised website. The compromised website contained an exploit kit, which performed a couple of browser checks before redirecting the visitor to a server controlled by the attackers hosted in Poland.

External links: