critical
9.8
CWE
120 119
Advisory Published
Updated

CVE-2019-12255: Buffer Overflow

First published: Fri Aug 09 2019(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Wind River VxWorks>=6.5<6.9.4
NetApp E-Series SANtricity OS Controller>=8.00<=8.40.50.00
SonicWall SonicOS>=5.9.0.0<=5.9.0.7
SonicWall SonicOS>=5.9.1.0.<=5.9.1.12
SonicWall SonicOS>=6.2.0.0<=6.2.3.1
SonicWall SonicOS>=6.2.4.0<=6.2.4.3
SonicWall SonicOS>=6.2.5.0<=6.2.5.3
SonicWall SonicOS>=6.2.6.0<=6.2.6.1
SonicWall SonicOS>=6.2.7.0<=6.2.7.4
SonicWall SonicOS>=6.2.9.0<=6.2.9.2
SonicWall SonicOS>=6.5.0.0<=6.5.0.3
SonicWall SonicOS>=6.5.1.0<=6.5.1.4
SonicWall SonicOS>=6.5.2.0<=6.5.2.3
SonicWall SonicOS>=6.5.3.0<=6.5.3.3
SonicWall SonicOS>=6.5.4.0.<=6.5.4.3
SonicWall SonicOS=6.2.7.0
SonicWall SonicOS=6.2.7.1
SonicWall SonicOS=6.2.7.7
Siemens SIPROTEC firmware<7.91
Siemens SIPROTEC firmware
Siemens SIPROTEC firmware
Siemens SIPROTEC firmware
Siemens SIPROTEC firmware
Siemens 9410 Power Meter Firmware<2.2.1
Siemens 9410 Power Meter Firmware
Siemens 9810 Power Meter Firmware
Siemens 9810 Power Meter
Siemens RuggedCom Win7000<bs5.2.461.17
Siemens Ruggedcom Win7000 Firmware
Siemens RuggedCom WIN7018 Firmware<bs5.2.461.17
Siemens RuggedCom WIN7018 Firmware
Siemens Ruggedcom Win7025 Firmware<bs5.2.461.17
Siemens Ruggedcom Win7025 Firmware
Siemens Ruggedcom WIN7200 Firmware<bs5.2.461.17
Siemens Ruggedcom WIN7200 Firmware
Belden Hirschmann HIOS<=07.0.07
Belden Hirschmann EES20
Belden Hirschmann EES25
Belden Hirschmann EESX20
Belden Hirschmann EESX30
Belden Hirschmann GRS1020
Belden Hirschmann GRS1030
Belden Hirschmann GRS1042
Belden Hirschmann GRS1120
Belden Hirschmann GRS1130
Belden Hirschmann GRS1142
Belden Hirschmann MSP30
Belden Hirschmann MSP32
Belden Hirschmann Rail Switch Power Lite
Belden Hirschmann Rail Switch Power Smart
Belden Hirschmann RED25
Belden Hirschmann RSP20
Belden Hirschmann RSP25
Belden Hirschmann RSP30
Belden Hirschmann RSP35
Belden Hirschmann RSP-E30
Belden Hirschmann RSPE32
Belden Hirschmann RSPE35
Belden Hirschmann RSPE37
Belden Hirschmann HIOS<=07.5.01
Belden Hirschmann MSP40
Belden Hirschmann Octopus
Belden Hirschmann HIOS<=07.2.04
belden hirschmann dragon mach4000
Belden Hirschmann Dragon MACH4500
Belden Hirschmann HIOS<=05.3.06
Eagle One
Belden Hirschmann Eagle20
Belden Hirschmann Eagle30
Garrettcom Magnum DX940E<=1.0.1_y7
Garrettcom Magnum DX940E

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-12255?

    CVE-2019-12255 has a severity rating that indicates a significant risk of exploitation due to the buffer overflow vulnerability in the Wind River VxWorks TCP component.

  • How do I fix CVE-2019-12255?

    To fix CVE-2019-12255, update to the latest patched version of the affected software, following vendor recommendations.

  • What systems are affected by CVE-2019-12255?

    CVE-2019-12255 affects Wind River VxWorks versions from 6.5 to 6.9.4, as well as specific versions of NetApp E-Series SANtricity OS and SonicWall SonicOS.

  • What can happen if CVE-2019-12255 is successfully exploited?

    If CVE-2019-12255 is exploited, it can lead to denial of service or potential code execution due to the buffer overflow.

  • Are there any workarounds for CVE-2019-12255?

    Currently, the best approach to mitigate CVE-2019-12255 is to apply the necessary patch from the vendor rather than relying on workarounds.

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