Vulnerability Details : CVE-2019-9729
In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.
Vulnerability category: Memory CorruptionGain privilege
Products affected by CVE-2019-9729
- cpe:2.3:a:shanda:maplestory_online:160.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9729
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 18 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9729
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
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-2019-9729
-
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.Assigned by: nvd@nist.gov (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9729
-
https://github.com/DoubleLabyrinth/SdoKeyCrypt-sys-local-privilege-elevation
GitHub - DoubleLabyrinth/SdoKeyCrypt-sys-local-privilege-elevation: CVE-2019-9729Exploit;Third Party Advisory
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