Vulnerability Details : CVE-2012-5409
AscoServer.exe in the server in Siemens SiPass integrated MP2.6 and earlier does not properly handle IOCP RPC messages received over an Ethernet network, which allows remote attackers to write data to any memory location and consequently execute arbitrary code via crafted messages, as demonstrated by an arbitrary pointer dereference attack or a buffer overflow attack.
Vulnerability category: OverflowExecute code
Products affected by CVE-2012-5409
- cpe:2.3:a:siemens:sipass_integrated:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-5409
46.02%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-5409
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST |
CWE ids for CVE-2012-5409
-
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)
References for CVE-2012-5409
-
http://ioactive.com/pdfs/SIEMENS_Sipass_Integrated_Ethernet_Bus_Arbitrary_Pointer_Dereference_V4.pdf
-
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-938777.pdf
Vendor Advisory
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http://ics-cert.us-cert.gov/advisories/ICSA-12-305-01
Siemens SiPass Server Buffer Overflow | CISA
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