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7.8
CVSSv3

CVE-2019-20172

Published: 31/12/2019 Updated: 08/12/2022
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 409
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

Kernel/VM/MemoryManager.cpp in SerenityOS prior to 2019-12-30 does not reject syscalls with pointers into the kernel-only virtual address space, which allows local users to gain privileges by overwriting a return address that was found on the kernel stack.

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References

CWE-119https://github.com/Fire30/CTF-WRITEUPS/tree/master/36c3_ctf/wisdomhttps://github.com/SerenityOS/serenity/commit/0fc24fe2564736689859e7edfa177a86dac36bf9https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2024-5274CVE-2020-17519CVE-2024-35340CVE-2021-47558localXML injectionCVE-2021-47519CVE-2021-47543
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