CVE-2017-8284 Information

Description

LICENSE README.md cvefilelist cvelist nvdcve nvdpages.sh scripts test-CVE-2017-1882.markdown test-CVE-2017-18822.markdown tmpvendorlinks DISPUTED LICENSE README.md cvefilelist cvelist nvdcve nvdpages.sh scripts test-CVE-2017-1882.markdown test-CVE-2017-18822.markdown tmpvendorlinks 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.\

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://bugs.chromium.org/p/project-zero/issues/detail?id=1122 https://github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0