{"id":"CVE-2020-8935","details":"An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allow an attacker to make an Ecall_restore function call to reallocate untrusted code and overwrite sections of the Enclave memory address. We recommend updating your library.","modified":"2026-07-08T20:29:53.367853Z","published":"2020-12-15T15:15:12.987Z","references":[{"type":"FIX","url":"https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/google/asylo","events":[{"introduced":"0"},{"last_affected":"299f804acbb95a612ab7c504d25ab908aa59ae93"},{"fixed":"ed0926bff0e423cd122a18b3d2fc772817f66825"}],"database_specific":{"cpe":"cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"0.6.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v0.6.0","buildenv-v0.6.0","v0.5.3","buildenv-v0.5.3","v0.5.2","buildenv-v0.5.2","v0.5.1","buildenv-v0.5.1","v0.5.0","buildenv-v0.5.0","v0.4.1","buildenv-v0.4.1","v0.4.0","buildenv-v0.4.0","v0.3.4.1","v0.3.4","buildenv-v0.3.4","v0.3.3","buildenv-v0.3.3","v0.3.2","buildenv-v0.3.2","v0.3.1","buildenv-v0.3.1","v0.3.0","buildenv-v0.3.0","v0.2.2","buildenv-v0.2.2","v0.2.1","buildenv-v0.2.1","v0.2.0","buildenv-v0.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8935.json","vanir_signatures_modified":"2026-07-08T20:29:53Z","vanir_signatures":[{"id":"CVE-2020-8935-bc57d05a","signature_type":"Line","signature_version":"v1","source":"https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825","target":{"file":"asylo/platform/host_call/trusted/host_calls.cc"},"deprecated":false,"digest":{"line_hashes":["330936869301037059737793362845294373946","154509550783807851087753276324588402993","112634774847455835941553074213750942069","42612531078368980209211864332224132916"],"threshold":0.9}},{"source":"https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825","target":{"file":"asylo/platform/host_call/trusted/host_calls.cc","function":"enc_untrusted_realloc"},"deprecated":false,"digest":{"function_hash":"232489973061455759931858895176426134338","length":528},"id":"CVE-2020-8935-cd60b6c4","signature_type":"Function","signature_version":"v1"}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}