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  • A vulnerability in the certificate management subsystem of Cisco AnyConnect Network Access Manager and of Cisco AnyConnect Secure Mobility Client for iOS, Mac OS X, Android, Windows, and Linux could allow an unauthenticated, remoteattacker to bypass the TLS certificate check when downloading certain configuration files.

    The vulnerability is due to improper use of Simple Certificate Enrollment Protocol and improper server certificate validation. An attacker couldexploit this vulnerability by preparing malicious profile and localization files for Cisco AnyConnect to use. A successful exploit could allow theattacker to remotely change the configuration profile, a certificate, or the localization data used by AnyConnect Secure Mobility Client.

    There are no workarounds that address this vulnerability.
    This advisory is available at the following link:
    https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-AnyConnect-cert-bypass

  • Vulnerable Products

    This vulnerability affects Cisco AnyConnect Network Access Manager and Cisco AnyConnect Secure Mobility Client for iOS, Mac OS X, Android, Windows, and Linux. For information about affected software releases, consult the Cisco bug ID(s) at the top of this advisory.

    Products Confirmed Not Vulnerable

    Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability.

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  • Pidgin for Mac OS X - Pidgin is a chat program which lets you log in to accounts on multiple chat networks simultaneously.Pidgin is a chat program which lets you log in to accounts on multiple chat networks simultaneously.
  • Mac owners who use Gmail know Apple's Mail app for OS X is less than perfect when it comes to pushing emails from Google's service. AppleInsider weeded through a forest of third party apps to find.

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  • There are no workarounds that address this vulnerability.

  • For information about fixed software releases, consult the Cisco bug ID(s) at the top of this advisory.

    When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, to determine exposure and a complete upgrade solution.

    In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.

  • The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

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  • This vulnerability was found during internal security testing.