cbcvebase.
CVE-2020-11901
published 2020-06-17

CVE-2020-11901: The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.

PriorityP267critical9CVSS 3.1
AVNACHPRNUINSCCHIHAH
EPSS
21.12%
97.3th percentile
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.

Affected

2 ranges
VendorProductVersion rangeFixed in
paloaltopan-os
trecktcp_ip< 6.0.1.666.0.1.66

Detection & IOCsextracted from sources · hover to see the quote

  • Trigger condition is a single invalid/malformed DNS response packet sent to a device running the Treck TCP/IP stack; monitor for anomalous or malformed DNS response traffic targeting embedded/IoT devices
  • Vulnerability is part of the 'Ripple20' vulnerability set disclosed June 16, 2020; correlate detections with other Ripple20 CVEs on Treck IP stack implementations
  • ·Only Treck TCP/IP stack versions prior to 6.0.1.66 are vulnerable; verify stack version on affected devices before triaging alerts
  • ·Cisco advisory tracks multiple Cisco products under a single bug ID (CSCvu68945); scope of affected Cisco products may expand as the advisory is updated

CVSS provenance

nvdv3.19.0CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
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