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CVE-2019-1915: Cisco Security Advisory: Multiple Cisco Unified Communications Products Cross-Site Request Forgery Vulnerability

A vulnerability in the web-based interface of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition (SME), Cisco Unified Communications Manager IM and Presence (Unified CM IM&P) Service, and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. The vulnerability is due to insufficient CSRF protections by the affected software. An attacker could exploit this vulnerability by persuading a targeted user to click a malicious link. A successful exploit could allow the attacker to send arbitrary requests that could change the password of a targeted user. An attacker could then take unauthorized actions on behalf of the targeted user.

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#csrf#vulnerability#web#cisco#perl#auth
  • Cisco has released free software updates that address the vulnerability described in this advisory. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:
    https://www.cisco.com/c/en/us/products/end-user-license-agreement.html

    Additionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.

    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.

    Customers Without Service Contracts

    Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC:
    https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html

    Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.

    Fixed Releases

    Unified Communications Manager and Unified Communications Manager Session Management Edition: CSCvo42306

    The Unified Communications Manager Software can be downloaded from the Software Center on Cisco.com by navigating to Products > Unified Communications > Call Control > Unified Communications Manager (CallManager).

    Unified Communications Manager Release

    First Fixed Release for This Vulnerability

    Earlier than 10.5(2)

    10.5(2)SU9

    10.5(2)

    Apply patch file ciscocm_CSCvo42306_CSRFFix_105X_v1.5.cop.sgn or upgrade to 10.5(2)SU9.

    11.0

    11.5(1)SU6

    11.5

    Apply patch file ciscocm_CSCvo42306_CSRFFix_11_5X_v1.8.cop.sgn or upgrade to 11.5(1)SU6.

    12.0

    Apply patch file ciscocm_CSCvo42306_CSRFFix_12_0X_v1.8.cop.sgn or upgrade to 12.0(1)SU3.

    12.5

    Apply patch file ciscocm_CSCvo42306_CSRFFix_12_5X_v1.8.cop.sgn or upgrade to 12.5(1)SU1.

    Unified Communications Manager IM and Presence Service: CSCvo99233

    The Unified Communications Manager IM and Presence Service Software can be downloaded from the Software Center on Cisco.com by navigating to Products > Unified Communications > Unified Communications Applications > Presence Software > Unified Communications Manager IM & Presence Service.

    Unified Communications Manager IM and Presence Service Release

    First Fixed Release for This Vulnerability

    Earlier than 10.5(2)

    10.5(2) ES

    10.5(2)

    Apply patch file ciscocm_CSCvo99233_CSRFFixForCUP_1052X.cop.sgn or upgrade to 10.5(2) ES.

    11.0

    11.5(1)SU6

    11.5

    Apply patch file ciscocm_CSCvo99233_CSRFFixForCUP_115X_v2.cop.sgn or upgrade to 11.5(1)SU6.

    12.0

    12.5(1)SU1

    12.5

    Apply patch file ciscocm_CSCvo99233_CSRFFixForCUP_125X.cop.sgn or upgrade to 12.5(1)SU1.

    Unity Connection: CSCvo91541

    The Unity Connection Software can be downloaded from the Software Center on Cisco.com by navigating to Products > Unified Communications > Unified Communications Applications > Messaging > Unity Connection.

    Unity Connection Release

    First Fixed Release for This Vulnerability

    Earlier than 10.5(2)

    10.5(2)SU9

    10.5(2)

    Apply patch file ciscocm.CSCvo91541_CSRFFix_10.5x.k3.cop.sgn or upgrade to 10.5(2)SU9.

    11.0

    11.5(1)SU6

    11.5

    Apply patch file ciscocm.CSCvo91541_CSRFFix_11.5x.k3.cop.sgn or upgrade to 11.5(1)SU6.

    12.0

    Apply patch file ciscocm.CSCvo91541_CSRFFix_12.0x.k3.cop.sgn or upgrade to 12.0(1)SU3.

    12.5

    Apply patch file ciscocm.CSCvo91541_CSRFFix_12.5x.k3.cop.sgn or upgrade to 12.5(1)SU1.

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