Code injection

2019-12-3103:15:00

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7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

Kernel/VM/MemoryManager.cpp in SerenityOS before 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.

CPENameOperatorVersion
serenityoseq< 20191230

CPE	Name	Operator	Version
	serenityos	eq	< 20191230

References

github.com/Fire30/CTF-WRITEUPS/tree/master/36c3_ctf/wisdom

github.com/SerenityOS/serenity/commit/0fc24fe2564736689859e7edfa177a86dac36bf9