CVE intelligence and bounded remediation
CVE-2018-19978 — Auerswald Comfortel 1200 Ip Firmware security vulnerability
A buffer overflow vulnerability in the DHCP and PPPOE configuration interface of the Auerswald COMfort 1200 IP phone 3.4.4.1-10589 allows a remote attacker (authenticated as simple user in the same network as the device) to trigger remote code execution via a POST request (ManufacturerName parameter) to the web server on the device. The web server is running with root privileges and the injected code will also run with root privileges.
- Severity
- High
- CVSS
- 8 (3.0)
- Published
- 2019-05-29
- CISA KEV
- Not currently listed
- Ecosystem
- operating-system
- Weaknesses
- CWE-119
Affected products
- auerswald / comfortel_1200_ip_firmware / 3.4.4.1-10589
Matched remediation archetype
Buffer bounds, memory safety, and memory corruption
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Check exposure
- Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
- Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
- Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.
Remediate safely
- Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
- Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
- Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.
Authoritative sources
Complete CVE record and remediation plan
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