high
8.8
CWE
120 119
Advisory Published
Updated

CVE-2019-12257: Buffer Overflow

First published: Fri Aug 09 2019(Updated: )

Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component. There is an IPNET security vulnerability: Heap overflow in DHCP Offer/ACK parsing inside ipdhcpc.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Wind River VxWorks>=6.5<6.9.4
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<7.59
Siemens SIPROTEC firmware
NetApp E-Series SANtricity OS Controller>=8.00<=8.40.50.00
Siemens SIPROTEC firmware<7.91
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 Eagle 20 Tofino
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-2019-12257?

    CVE-2019-12257 is rated as a high-severity vulnerability due to its potential for remote code execution through a buffer overflow in the DHCP client.

  • How do I fix CVE-2019-12257?

    To address CVE-2019-12257, users should update their Wind River VxWorks or SonicWall SonicOS versions to the latest patches provided by the vendors.

  • What types of devices are affected by CVE-2019-12257?

    CVE-2019-12257 affects devices running Wind River VxWorks 6.6 to 6.9 and various versions of SonicWall SonicOS.

  • What can attackers achieve through CVE-2019-12257?

    Exploiting CVE-2019-12257 could allow attackers to execute arbitrary code remotely, leading to unauthorized access and system control.

  • Is there any mitigation for CVE-2019-12257 if I cannot patch immediately?

    While waiting for patches, disabling the DHCP client or restricting access to affected devices may help mitigate the risk from CVE-2019-12257.

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