Siemens SINUMERIK 828D/SINUMERIK 840D sl IOCTL Call out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Siemens SINUMERIK 828D and SINUMERIK 840D sl. The affected element is an unknown function of the component IOCTL Call Handler. Such manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2018-11465. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Siemens SINUMERIK 828D and SINUMERIK 840D sl (affected version not known). Affected by this issue is some unknown functionality of the component IOCTL Call Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions), SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). A local attacker could use ioctl calls to do out of bounds reads, arbitrary writes, or execute code in kernel mode. The security vulnerability could be exploited by an attacker with local access to the affected systems. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.

The bug was discovered 12/12/2018. The weakness was disclosed 12/12/2018 (Website). The advisory is shared for download at cert-portal.siemens.com. This vulnerability is handled as CVE-2018-11465 since 05/25/2018. The attack needs to be approached locally. A simple authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106185†). The entries VDB-127884, VDB-127886, VDB-127887 and VDB-127888 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: 🔍

Timelineinfo

05/25/2018 🔍
12/11/2018 +200 days 🔍
12/12/2018 +1 days 🔍
12/12/2018 +0 days 🔍
12/12/2018 +0 days 🔍
12/13/2018 +1 days 🔍
06/18/2023 +1648 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-170881
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-11465 (🔍)
GCVE (CVE): GCVE-0-2018-11465
GCVE (VulDB): GCVE-100-127892
SecurityFocus: 106185 - Siemens SINUMERIK Controllers Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/13/2018 08:53
Updated: 06/18/2023 14:05
Changes: 12/13/2018 08:53 (59), 04/20/2020 14:39 (4), 06/18/2023 14:05 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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