CVE-2019-12255

critical-risk
Published 2019-08-09

Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an integer underflow.

Do I need to act?

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79.5% chance of exploitation in next 30 days
EPSS score — higher than 20% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
47233
?
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 (22)

Exploit http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html
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
https://support.f5.com/csp/article/K41190253?utm_source=f5support&amp%3Butm_medi...
Vendor Advisory https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255
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...
Exploit http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html
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
https://support.f5.com/csp/article/K41190253?utm_source=f5support&amp%3Butm_medi...
Vendor Advisory https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255
and 2 more references
70
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 20/34 · Moderate
Exposure 18/34 · Moderate