CVE-2020-11898 — The Treck TCP/IP stack before 6

The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak.

01What is this vulnerability?

The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-06-17T10:26:18.000Z
• Last modified: 2024-08-04T11:42:00.831Z

09References

• www.kb.cert.org — https://www.kb.cert.org/vuls/id/257161/
• www.treck.com — https://www.treck.com
• jsof-tech.com — https://jsof-tech.com/vulnerability-disclosure-policy/
• www.kb.cert.org — https://www.kb.cert.org/vuls/id/257161
• www.jsof-tech.com — https://www.jsof-tech.com/ripple20/
• tools.cisco.com — https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-t…
• www.arubanetworks.com — http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
• security.netapp.com — https://security.netapp.com/advisory/ntap-20200625-0006/
• support.hpe.com — https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbhf040…
• www.dell.com — https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple…