CVE-2019-12256

high-risk
Published 2019-08-09

Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. There is an IPNET security vulnerability: Stack overflow in the parsing of IPv4 packets’ IP options.

Do I need to act?

!
13.8% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (16)

Affected Vendors

Windriver Siemens Sonicwall Netapp Belden

References (18)

Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
Third Party Advisory https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
Third Party Advisory https://security.netapp.com/advisory/ntap-20190802-0001/
Third Party Advisory https://support.f5.com/csp/article/K41190253
Vendor Advisory https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12256
Issue Tracking https://support2.windriver.com/index.php?page=security-notices
Vendor Advisory https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urge...
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
Third Party Advisory https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
Third Party Advisory https://security.netapp.com/advisory/ntap-20190802-0001/
Third Party Advisory https://support.f5.com/csp/article/K41190253
Vendor Advisory https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12256
Issue Tracking https://support2.windriver.com/index.php?page=security-notices
Vendor Advisory https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urge...
62
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 12/34 · Low
Exposure 18/34 · Moderate