Cisco Small Business SPA500 Series IP Phones CVE-2019-15959 Local Command Injection Vulnerability

Risk

Medium

Date Discovered

November 6, 2019

Description

Cisco Small Business SPA500 Series IP Phones are prone to a local command-injection vulnerability. Local attackers can exploit this issue to execute arbitrary commands on the device in an elevated security context. This issue is being tracked by Cisco Bug ID CSCvp40755. Cisco Small Business SPA500 Series IP Phones firmware releases 7.6.2SR5 and prior are vulnerable.

Technologies Affected

  • Cisco Small Business SPA500 Series IP Phones 7.1
  • Cisco Small Business SPA500 Series IP Phones 7.1.3
  • Cisco Small Business SPA500 Series IP Phones 7.1.7
  • Cisco Small Business SPA500 Series IP Phones 7.2
  • Cisco Small Business SPA500 Series IP Phones 7.2.5
  • Cisco Small Business SPA500 Series IP Phones 7.3
  • Cisco Small Business SPA500 Series IP Phones 7.3.5
  • Cisco Small Business SPA500 Series IP Phones 7.3.7
  • Cisco Small Business SPA500 Series IP Phones 7.4
  • Cisco Small Business SPA500 Series IP Phones 7.4.3
  • Cisco Small Business SPA500 Series IP Phones 7.4.4
  • Cisco Small Business SPA500 Series IP Phones 7.4.6
  • Cisco Small Business SPA500 Series IP Phones 7.4.7
  • Cisco Small Business SPA500 Series IP Phones 7.4.8
  • Cisco Small Business SPA500 Series IP Phones 7.4.8a
  • Cisco Small Business SPA500 Series IP Phones 7.4.9a
  • Cisco Small Business SPA500 Series IP Phones 7.4.9c
  • Cisco Small Business SPA500 Series IP Phones 7.5
  • Cisco Small Business SPA500 Series IP Phones 7.5.1
  • Cisco Small Business SPA500 Series IP Phones 7.5.2b
  • Cisco Small Business SPA500 Series IP Phones 7.5.3
  • Cisco Small Business SPA500 Series IP Phones 7.5.4
  • Cisco Small Business SPA500 Series IP Phones 7.5.5
  • Cisco Small Business SPA500 Series IP Phones 7.6.2SR5

Recommendations

Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
Permit access to systems for trusted and accountable individuals only.

Updates are available. Please see the references or vendor advisory for more information.

References

Credits

Dustin Cobb of Aon’s Cyber Labs


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