Home/CVE/Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4). There is an IPNET security v
CVE

CVE-2019-12263

Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4). There is an IPNET security v

Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4). There is an IPNET security vulnerability: TCP Urgent Pointer state confusion due to race condition.

HIGH · CVSS 8.1 EPSS 0.00719
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

30
windriver vxworks>= 6.5 and < 6.9.4.12
windriver vxworksall versions
sonicwall sonicos>= 5.9.0.0 and <= 5.9.0.7
sonicwall sonicos>= 5.9.1.0. and <= 5.9.1.12
sonicwall sonicos>= 6.2.0.0 and <= 6.2.3.1
sonicwall sonicos>= 6.2.4.0 and <= 6.2.4.3
sonicwall sonicos>= 6.2.5.0 and <= 6.2.5.3
sonicwall sonicos>= 6.2.6.0 and <= 6.2.6.1
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Aug 2019 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

5
siemens-csafSSA-617233
cisa-csafcisa-csaf-csaf_files-OT-white-2019-icsa-19-211-01
cisa-csafcisa-csaf-csaf_files-OT-white-2019-icsa-19-274-01
cisa-csafcisa-csaf-csaf_files-OT-white-2019-icsma-19-274-01
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-320-10
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdfThird Party Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009Third Party Advisory
https://security.netapp.com/advisory/ntap-20190802-0001/Third Party Advisory
https://support.f5.com/csp/article/K41190253Third Party Advisory
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