lifesize_audit.md

Lifesize security audit

Lifesize Icon 450

Firmware Audited: Build date: Mon Aug 28 07:08:05 CDT 2017 Build host: ausbuildlifesizecodecicon02 (127.0.1.1) Build location: http://artifacts.lifesize.com/artifactory/lifesize.icon.production/lifesize.icon.production.master.sequoia.full-3.4.0.2268.tar.gz Build version: LS_RM3_3.4.0 (2268) Build type: PRODUCTION Build target: sequoia SVN; SVN%

Findings:

• Exposed ssh out of the box
  • Username admin, password admin
  • Ssh host private key was easily extracted from firmware update dump
• Exposes an sftp server with public key access only
  • Private key was easily extracted from firmware dump
  • Access filtered only by local ip address
• Running linux kernel 2.6.37
  • 6 years old
  • 100+ known vulns http://www.cvedetails.com/version/123871/Linux-Linux-Kernel-2.6.37.html
• Glibc 2.9
  • 13+ known vulns https://www.cvedetails.com/vulnerability-list/vendor_id-72/product_id-767/version_id-92270/GNU-Glibc-2.9.html
• Firmware Signing
  • Bootloader image verification pubkey in unsigned/unsecured bootloader
  • Firmware signature verification is not enforced via fuse array or other immutable measure. Can be easily bypassed allowing installation of a malicious payload.

Lifesize Screen Sharing And Scheduling - Chrome Plugin

Version: Chrome Web Store release as of 09/0/17

Findings:

• Full access to browser history and *.lifesize.com domains
• Jquery 2.1.4
  • 3 years old
  • Not needed at all in chrome which provides all the needed APIs in native javascript
  • Known XSS and DoS vulns https://snyk.io/test/npm/jquery/2.1.4
• NPM dependencies are locked using only fuzzy versions and no hash locking. Dependency attacks are on the table if no other mitigations are present.