Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Versions of Adobe Flash Player prior to 29.0.0.113 are unpatched, and therefore affected by multiple use-after-free vulnerabilities that allow arbitrary code execution. (CVE-2018-4919, CVE-2018-4920)

The remote host is affected by the vulnerability described in GLSA-201803-08 (Adobe Flash Player: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Adobe Flash Player.
      Please review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could possibly execute arbitrary code with the       privileges of the process or bypass security restrictions.
  Workaround :

    There is no known workaround at this time.

The remote Redhat Enterprise Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2018:0520 advisory.

    The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash Player web browser plug-in.

    This update upgrades Flash Player to version 29.0.0.113.

    Security Fix(es):

    * flash-plugin: Use After Free - remote code execution vulnerability (APSB18-05) (CVE-2018-4919)

    * flash-plugin: Type Confusion - remote code execution vulnerability (APSB18-05) (CVE-2018-4920)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Adobe reports :

- This update resolves a use-after-free vulnerability that could lead to remote code execution (CVE-2018-4919).

- This update resolves a type confusion vulnerability that could lead to remote code execution (CVE-2018-4920).

The remote Windows host is missing security update KB4088785. It is, therefore, affected by multiple remote code execution vulnerabilities in Adobe Flash Player.

The version of Adobe Flash Player installed on the remote macOS or Mac OS X host is equal or prior to version 28.0.0.161.
It is therefore affected by multiple vulnerabilities.

The version of Adobe Flash Player installed on the remote Windows host is equal or prior to version 28.0.0.161. It is therefore affected by multiple vulnerabilities.

ID	Name	Product	Family	Severity
700431	Flash Player < 29.0.0.113 Multiple RCE (APSB18-05)	Nessus Network Monitor	Web Clients	critical
108434	GLSA-201803-08 : Adobe Flash Player: Multiple vulnerabilities (Underminer)	Nessus	Gentoo Local Security Checks	critical
108361	RHEL 6 : flash-plugin (RHSA-2018:0520)	Nessus	Red Hat Local Security Checks	high
108314	FreeBSD : Flash Player -- multiple vulnerabilities (313078e3-26e2-11e8-9920-6451062f0f7a)	Nessus	FreeBSD Local Security Checks	high
108287	KB4088785: Security update for Adobe Flash Player (March 2018)	Nessus	Windows : Microsoft Bulletins	critical
108283	Adobe Flash Player for Mac <= 28.0.0.161 (APSB18-05)	Nessus	MacOS X Local Security Checks	critical
108281	Adobe Flash Player <= 28.0.0.161 (APSB18-05)	Nessus	Windows	critical

Detections

Analytics

CVE-2018-4920

high

Tenable Plugins

critical

critical

high

high

critical

critical

critical