Vxworks
CVE-2019-12256
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. 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. Affected products include: Windriver Vxworks, Netapp E-Series Santricity Os Controller, Sonicwall Sonicos, Siemens Siprotec 5 Firmware, Siemens Power Meter 9410 Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). Rated critical severity (CVSS 9.8), this v
An issue was discovered in Wind River VxWorks 6.9 and 7. Rated high severity (CVSS 8.8), this vulnerability is remotely
IPSSH (aka the SSH server) in Wind River VxWorks 6.5 through 6.9 allows remote attackers to execute arbitrary code or ca
Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component. Rated high severity (CVSS 7.5), this vulne
An issue was discovered in Wind River VxWorks through 6.8. Rated critical severity (CVSS 9.8), this vulnerability is rem
An issue was discovered in Wind River VxWorks before 6.5. Rated critical severity (CVSS 9.8), this vulnerability is remo
Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. Rated critical se
Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4). Rated critical seve
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). Rated critical severity (CVSS
Integer overflow in the _authenticate function in svc_auth.c in Wind River VxWorks 5.5 through 6.9.4.1, when the Remote
Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component. Rated high severity (CVSS 8.8), t
IPSSH (aka the SSH server) in Wind River VxWorks 6.5 through 6.9 allows remote attackers to cause a denial of service (d
Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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