Multiple vulnerabilities in Adobe Flash Player

Published: 2018-12-05
Severity Critical
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2018-15982
CVE-2018-15983
CWE ID CWE-416
CWE-427
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software Adobe Flash Player Subscribe
Vendor Adobe

Security Advisory

1) Use-after-free

Severity: Critical

CVSSv3: 8.4 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-15982

CWE-ID: CWE-416 - Use After Free

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing SWF files. A remote attacker can create a specially crafted .swf file, trick the victim to open it and execute arbitrary code on system with privileges of the current user.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note: this vulnerability is being exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Flash Player: 27.0.0.130, 27.0.0.170, 27.0.0.183, 27.0.0.187, 28.0.0.126, 28.0.0.137, 28.0.0.161, 29.0.0.113, 29.0.0.140, 29.0.0.171, 30.0.0.113, 30.0.0.134, 30.0.0.154, 31.0.0.108, 31.0.0.122, 31.0.0.148

CPE External links

https://helpx.adobe.com/security/products/flash-player/apsb18-42.html

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?

Yes. This vulnerability is being exploited in the wild.

2) Insecure DLL loading

Severity: High

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-15983

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Flash Player: 27.0.0.130, 27.0.0.170, 27.0.0.183, 27.0.0.187, 28.0.0.126, 28.0.0.137, 28.0.0.161, 29.0.0.113, 29.0.0.140, 29.0.0.171, 30.0.0.113, 30.0.0.134, 30.0.0.154, 31.0.0.108, 31.0.0.122, 31.0.0.148

CPE External links

https://helpx.adobe.com/security/products/flash-player/apsb18-42.html

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.