Vulnerability Details : CVE-2018-11463
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 buffer overflow in the service command application could allow a local attacker to execute code with elevated privileges. 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.
Vulnerability category: OverflowExecute code
Products affected by CVE-2018-11463
- cpe:2.3:o:siemens:sinumerik_828d_v4.7_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinumerik_840d_sl_v4.7_firmware:*:*:*:*:*:*:*:*When used together with: Siemens » Sinumerik 840d Sl V4.7
- cpe:2.3:o:siemens:sinumerik_840d_sl_v4.8_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinumerik_808d_v4.7_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinumerik_808d_v4.8_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-11463
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-11463
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-11463
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The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
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A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: productcert@siemens.com (Secondary)
References for CVE-2018-11463
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https://cert-portal.siemens.com/productcert/pdf/ssa-170881.pdf
Vendor Advisory
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http://www.securityfocus.com/bid/106185
Siemens SINUMERIK Controllers Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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