An update for flash-plugin is now available for Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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

This update upgrades Flash Player to version 26.0.0.137.

Security Fix(es) :

* This update fixes multiple vulnerabilities in Adobe Flash Player.
These vulnerabilities, detailed in the Adobe Security Bulletin listed in the References section, could allow an attacker to create a specially crafted SWF file that would cause flash-plugin to crash, execute arbitrary code, or disclose sensitive information when the victim loaded a page containing the malicious SWF content.
(CVE-2017-3080, CVE-2017-3099, CVE-2017-3100)

The remote host is affected by the vulnerability described in GLSA-201707-15 (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 version of Adobe Flash Player installed on the remote Windows host is equal or prior to version 26.0.0.131. It is, therefore, affected by multiple vulnerabilities :

  - An information disclosure vulnerability exists due to an     unspecified flaw. An unauthenticated, remote attacker     can exploit this, by convincing a user to visit a     website containing specially crafted Flash content, to     disclose sensitive information. (CVE-2017-3080)

  - A remote code execution vulnerability exists due to     improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this, by     convincing a user to visit a website containing     specially crafted Flash content, to execute arbitrary     code. (CVE-2017-3099)

  - An information disclosure vulnerability exists that     allows an unauthenticated, remote attacker to corrupt     memory and disclose memory addresses. (CVE-2017-3100)

Adobe reports :

- These updates resolve security bypass vulnerability that could lead to information disclosure (CVE-2017-3080).

- These updates resolve memory corruption vulnerability that could lead to remote code execution (CVE-2017-3099).

- These updates resolve memory corruption vulnerability that could lead to memory address disclosure (CVE-2017-3100).

The version of Adobe Flash Player installed on the remote macOS or Mac OS X host is equal or prior to version 26.0.0.131. It is, therefore, affected by multiple vulnerabilities :

  - An information disclosure vulnerability exists due to an     unspecified flaw. An unauthenticated, remote attacker     can exploit this, by convincing a user to visit a     website containing specially crafted Flash content, to     disclose sensitive information. (CVE-2017-3080)

  - A remote code execution vulnerability exists due to     improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this, by     convincing a user to visit a website containing     specially crafted Flash content, to execute arbitrary     code. (CVE-2017-3099)

  - An information disclosure vulnerability exists that     allows an unauthenticated, remote attacker to corrupt     memory and disclose memory addresses. (CVE-2017-3100)

The remote Windows host is missing security update KB4025376. It is, therefore, affected by multiple vulnerabilities :

  - An information disclosure vulnerability exists due to an     unspecified flaw. An unauthenticated, remote attacker     can exploit this, by convincing a user to visit a     website containing specially crafted Flash content, to     disclose sensitive information. (CVE-2017-3080)

  - A remote code execution vulnerability exists due to     improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this, by     convincing a user to visit a website containing     specially crafted Flash content, to execute arbitrary     code. (CVE-2017-3099)

  - An information disclosure vulnerability exists that     allows an unauthenticated, remote attacker to corrupt     memory and disclose memory addresses. (CVE-2017-3100)

Versions of Adobe Flash Player prior to 26.0.0.137 are unpatched, and therefore affected by the following vulnerabilities :

 - An information disclosure vulnerability exists due to an unspecified flaw. An unauthenticated, remote attacker can exploit this, by convincing a user to visit a website containing specially crafted Flash content, to disclose sensitive information. (CVE-2017-3080)
 - A remote code execution vulnerability exists due to improper validation of user-supplied input. An unauthenticated, remote attacker can exploit this, by convincing a user to visit a website containing specially crafted Flash content, to execute arbitrary code. (CVE-2017-3099)
 - An information disclosure vulnerability exists that allows an unauthenticated, remote attacker to corrupt memory and disclose memory addresses. (CVE-2017-3100)

ID	Name	Product	Family	Published	Updated	Severity
101518	RHEL 6 : flash-plugin (RHSA-2017:1731)	Nessus	Red Hat Local Security Checks	7/13/2017	10/24/2019	critical
101924	GLSA-201707-15 : Adobe Flash Player: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	7/24/2017	1/11/2021	critical
101362	Adobe Flash Player <= 26.0.0.131 Multiple Vulnerabilities (APSB17-21)	Nessus	Windows	7/11/2017	4/11/2022	critical
101542	FreeBSD : Flash Player -- multiple vulnerabilities (a03e043a-67f1-11e7-beff-6451062f0f7a)	Nessus	FreeBSD Local Security Checks	7/14/2017	1/4/2021	critical
101363	Adobe Flash Player for Mac <= 26.0.0.131 Multiple Vulnerabilities (APSB17-21)	Nessus	MacOS X Local Security Checks	7/11/2017	11/12/2019	critical
101370	KB4025376: Security update for Adobe Flash Player (July 2017)	Nessus	Windows : Microsoft Bulletins	7/11/2017	11/12/2019	critical
700423	Flash Player < 26.0.0.137 Multiple Vulnerabilities (APSB17-21)	Nessus Network Monitor	Web Clients	3/7/2019	4/9/2019	high

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