{"id":"CVE-2017-8284","state":"PUBLISHED","title":"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 loca","description":"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.","publishedAt":"2017-04-26T14:00:00.000Z","updatedAt":"2024-09-16T18:03:56.866Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://bugs.chromium.org/p/project-zero/issues/detail?id=1122","https://github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14"],"weaknesses":[],"ingestedAt":"2026-10-29T19:43:57.959Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/8xxx/CVE-2017-8284.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2017-8284","state":"PUBLISHED","datePublished":"2017-04-26T14:00:00.000Z","dateUpdated":"2024-09-16T18:03:56.866Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2017-04-26T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1122","tags":["x_refsource_MISC"]},{"url":"https://github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2017-04-26T14:00:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"tags":["disputed"],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2017-8284","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"** 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.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1122","refsource":"MISC","url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1122"},{"name":"https://github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14","refsource":"MISC","url":"https://github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1122","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T16:34:22.606Z"}}]}}}