Wind River VxWorks 6.9/7 ipdhcpc memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Wind River VxWorks 6.9/7. Impacted is an unknown function of the component ipdhcpc. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2019-12257. The attack needs to be initiated within the local network. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Wind River VxWorks 6.9/7. It has been rated as critical. Affected by this issue is an unknown code block of the component ipdhcpc. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the DHCP client component. There is an IPNET security vulnerability: Heap overflow in DHCP Offer/ACK parsing inside ipdhcpc.

The weakness was published 08/09/2019 as VXW6-87101 (Website). The advisory is shared for download at cert-portal.siemens.com. This vulnerability is handled as CVE-2019-12257 since 05/21/2019. Access to the local network is required for this attack. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 7 (SR620) eliminates this vulnerability.

Similar entries are available at VDB-139758, VDB-139759, VDB-139761 and VDB-139762. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially

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: VXW6-87101
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-12257 (🔍)
GCVE (CVE): GCVE-0-2019-12257
GCVE (VulDB): GCVE-100-139760
See also: 🔍

Entryinfo

Created: 08/10/2019 06:42
Updated: 07/24/2020 07:39
Changes: 08/10/2019 06:42 (43), 07/24/2020 07:39 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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