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Alerts

Unified CM and Unity Connection remote code execution and file upload vulnerabilities (CVE-2024-20253 and CVE-2024-20272)

Advisory No: TZCERT/SA/2024/02/02

Date of First Release: 2nd February 2024

Source: Cisco

Software Affected:

  • Unified CM, Unified CM SME, Unified CM IM&P and Unity Connection

Overview:

Unified CM and Unity Connection are affected by vulnerabilities tracked as CVE-2024-20253 which could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device and CVE-2024-20272 which allows remote attacker to upload arbitrary files to an affected system and execute commands on the underlying operating system respectively.

Description:

CVE-2024-20253 is resulting from the improper processing of user-provided data that is being read into memory. An attacker could exploit this vulnerability by sending a special crafted message to a listening port of an affected device. With access to the underlying operating system, the attacker could also establish root access. CVE-2024-20272 that affects Cisco Unit Connection is due to lack of authentication in a specific API and improper validation of user-supplied data which allows the attacker to upload arbitrary files to an affected system, execute arbitrary commands on the operating system upon successful exploitation, and elevate privileges to root.

Impact:

Successful exploitation of these vulnerabilities may allow the remote attacker to take control of the affected system.

Solution:

Cisco has released security updates to resolve these vulnerabilities. Users and administrations are encouraged to update as soon as possible.

References:

  1. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-rce-bWNzQcUm
  2. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cuc-unauth-afu-FROYsCsD

TZCERT-SU-24-0118 (Mageia Security Update)

Mageia has released security updates to address vulnerabilities in zlib and python-pillow. Exploitation of these vulnerabilities may allow an attacker to take control of affected system.

Users and administrators are encouraged to review Mageia Security Advisories MGASA-2024-0019 and MGASA-2024-0018 and apply necessary updates.

TZCERT-SU-24-0117 (Drupal Security Update)

Drupal has released security update to address a vulnerability in entity delete log. Exploitation of this vulnerability may allow an attacker to gain access to sensitive information.

Users and administrators are encouraged to review Drupal Security Advisory and apply necessary updates.

TZCERT-SU-24-0116 (IBM Security Update)

IBM has released security updates to address vulnerabilities in IBM Instana Observability. Exploitation of these vulnerabilities may allow an attacker to take control of affected system.

Users and administrators are encouraged to review IBM Security Advisories and apply necessary updates.