Wind River VxWorks 6.7/6.8/6.9/7 TCP connect Pointer 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, which was classified as critical, was found in Wind River VxWorks 6.7/6.8/6.9/7. This impacts the function connect of the component TCP Handler. The manipulation results in memory corruption (Pointer). This vulnerability is cataloged as CVE-2019-12261. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Wind River VxWorks 6.7/6.8/6.9/7. Affected is the function connect of the component TCP Handler. The manipulation with an unknown input leads to a memory corruption vulnerability (Pointer). CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion during connect() to a remote host.

The weakness was shared 08/09/2019 as V7NET-2425 (Website). The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2019-12261 since 05/21/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

Upgrading to version 7 (SR620) eliminates this vulnerability.

The entries VDB-139758, VDB-139759, VDB-139760 and VDB-139761 are related to this item. Once again VulDB remains the best 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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Pointer
Class: Memory corruption / Pointer
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-2425
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-12261 (🔍)
GCVE (CVE): GCVE-0-2019-12261
GCVE (VulDB): GCVE-100-139764
See also: 🔍

Entryinfo

Created: 08/10/2019 06:45
Updated: 07/24/2020 08:31
Changes: 08/10/2019 06:45 (45), 07/24/2020 08:31 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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