KLA11223 Multiple vulnerabilities in Adobe Flash Player

Multiple serious vulnerabilities have been found in Adobe Flash Player. Malicious users can exploit these vulnerabilities to execute arbitrary code and obtain sensitive information.

1. Use-After-Free vulnerability can be exploited remotely to execute arbitrary code;
2. Out-of-bounds reading vulnerabilities can be exploited remotely to obtain sensitive information;
3. Out-of-bounds writing vulnerabilities can be exploited remotely to execute arbitrary code;
4. Heap overflow vulnerability can be exploited remotely to obtain sensitive information.

Technical details

To update Adobe Flash Player ActiveX (detected as Flash.ocx) on Windows 8 and higher, install latest updates from Control Panel

Original advisories

APSB18-08

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Adobe-Flash-Player-ActiveX

Adobe-Flash-Player-NPAPI

Adobe-Flash-Player-PPAPI

CVE list

CVE-2018-4933 warning

CVE-2018-4934 warning

CVE-2018-4935 critical

CVE-2018-4936 warning

CVE-2018-4937 critical

CVE-2018-4932 critical

Solution

Update to the latest version

Download Adobe Flash Player

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• Adobe Flash Player earlier than 29.0.0.140