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PRIOn knowledge basePRION:CVE-2017-8284HistoryApr 26, 2017 - 2:59 p.m.
Code injection
2017-04-2614:59:00
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DISPUTED The disas_insn function in target/i386/translate.c in QEMU before 2.9.0, when TCG mode without hardware acceleration is used, does not limit the instruction size, which allows local users to gain privileges by creating a modified basic block that injects code into a setuid program, as demonstrated by procmail. NOTE: the vendor has stated “this bug does not violate any security guarantees QEMU makes.”
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