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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
shandamaplestory_online
160.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/DoubleLabyrinth/SdoKeyCrypt-sys-local-privilege-elevation
https://github.com/DoubleLabyrinth/SdoKeyCrypt-sys-local-privilege-elevation