Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and earlier, and Adobe Flash Player for Microsoft Edge and Internet Explorer 32.0.0.330 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

The remote CentOS Linux 6 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2547 advisory.

  - Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371     and earlier, and Adobe Flash Player for Microsoft Edge and Internet Explorer 32.0.0.330 and earlier have     an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.
    (CVE-2020-9633)

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

The remote host is affected by the vulnerability described in GLSA-202006-09 (Adobe Flash Player: Arbitrary code execution)

    An unspecified flaw has been discovered in Adobe Flash Player.
  Impact :

    This flaw can be exploited by attackers for remote code execution.
  Workaround :

    There is no known workaround at this time.

The remote Redhat Enterprise Linux 6 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2547 advisory.

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

    This update upgrades Flash Player to version 32.0.0.387.

    Security Fix(es):

    * flash-plugin: Arbitrary Code Execution vulnerability (APSB20-30) (CVE-2020-9633)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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 this issue 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 arbitrary code execution (CVE-2020-9633).

The remote Windows host is missing security update KB4561600. It is, therefore, affected by an use after free vulnerability. An unauthenticated, remote attacker can exploit this, via a specially crafted file, to execute arbitrary code within the context of the user.

The version of Adobe Flash Player installed on the remote Windows host is equal or prior to version 32.0.0.371. It is, therefore, affected by an use after free vulnerability. An unauthenticated, remote attacker can exploit this, via a specially crafted file, to execute arbitrary code within the context of the user.

The version of Adobe Flash Player installed on the remote macOS or Mac OS X host is equal or prior to version 32.0.0.371. It is therefore affected by an use after free vulnerability. An unauthenticated, remote attacker can exploit this, via a specially crafted file, to execute arbitrary code within the context of the user.

ID	Name	Product	Family	Severity
208505	CentOS 6 : flash-plugin (RHSA-2020:2547)	Nessus	CentOS Local Security Checks	critical
137446	GLSA-202006-09 : Adobe Flash Player: Arbitrary code execution	Nessus	Gentoo Local Security Checks	critical
137409	RHEL 6 : flash-plugin (RHSA-2020:2547)	Nessus	Red Hat Local Security Checks	critical
137285	FreeBSD : Flash Player -- arbitrary code execution (196b31b8-aa9a-11ea-a59a-6451062f0f7a)	Nessus	FreeBSD Local Security Checks	critical
137265	KB4561600: Security update for Adobe Flash Player (June 2020)	Nessus	Windows : Microsoft Bulletins	critical
137253	Adobe Flash Player <= 32.0.0.371 (APSB20-30)	Nessus	Windows	critical
137252	Adobe Flash Player for Mac <= 32.0.0.371 (APSB20-30)	Nessus	MacOS X Local Security Checks	critical

Detections

Analytics

CVE-2020-9633

critical

Tenable Plugins

critical

critical

critical

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critical