Wind River VxWorks 6.9/7 IPv4 IPv4 Packet memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Wind River VxWorks 6.9/7. This issue affects some unknown processing of the component IPv4 Handler. This manipulation as part of IPv4 Packet causes memory corruption. The identification of this vulnerability is CVE-2019-12256. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Wind River VxWorks 6.9/7. It has been declared as critical. Affected by this vulnerability is an unknown code of the component IPv4 Handler. The manipulation as part of a IPv4 Packet leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 optionss.

The weakness was shared 08/09/2019 as V7NET-2423 (Website). It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2019-12256 since 05/21/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 7 (SR620) eliminates this vulnerability.

The entries VDB-139758, VDB-139760, VDB-139761 and VDB-139762 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VxWorks 7 (SR620)

Timelineinfo

05/21/2019 🔍
08/09/2019 +80 days 🔍
08/10/2019 +1 days 🔍
07/24/2020 +349 days 🔍

Sourcesinfo

Advisory: V7NET-2423
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-12256 (🔍)
GCVE (CVE): GCVE-0-2019-12256
GCVE (VulDB): GCVE-100-139759
See also: 🔍

Entryinfo

Created: 08/10/2019 06:42
Updated: 07/24/2020 07:27
Changes: 08/10/2019 06:42 (44), 07/24/2020 07:27 (17)
Complete: 🔍
Cache ID: 216::103

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