Rockwell RSLinx Classic up to 4.00.01 Service Port 44818 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Rockwell RSLinx Classic up to 4.00.01. This issue affects some unknown processing of the component Service Port 44818. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2018-14821. The attack may be launched remotely. There is no exploit available. Restrictive firewalling should be applied.

Detailsinfo

A vulnerability was found in Rockwell RSLinx Classic up to 4.00.01 and classified as problematic. Affected by this issue is an unknown code block of the component Service Port 44818. 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 availability. CVE summarizes:

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote, unauthenticated threat actor to intentionally send a malformed CIP packet to Port 44818, causing the RSLinx Classic application to terminate. The user will need to manually restart the software to regain functionality.

The bug was discovered 09/20/2018. The weakness was shared 09/20/2018 (Website). The advisory is shared for download at ics-cert.us-cert.gov. This vulnerability is handled as CVE-2018-14821 since 08/01/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Addressing this vulnerability is possible by firewalling 44818.

The entries VDB-124305 and VDB-124306 are related to this item. 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: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

08/01/2018 🔍
09/20/2018 +50 days 🔍
09/20/2018 +0 days 🔍
09/20/2018 +0 days 🔍
09/21/2018 +1 days 🔍
03/25/2020 +551 days 🔍

Sourcesinfo

Advisory: ics-cert.us-cert.gov
Status: Not defined

CVE: CVE-2018-14821 (🔍)
GCVE (CVE): GCVE-0-2018-14821
GCVE (VulDB): GCVE-100-124304
See also: 🔍

Entryinfo

Created: 09/21/2018 06:58
Updated: 03/25/2020 15:48
Changes: 09/21/2018 06:58 (58), 03/25/2020 15:48 (1)
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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