{"id":"CVE-2020-15204","state":"PUBLISHED","title":"Segfault in Tensorflow","description":"In eager mode, TensorFlow before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1 does not set the session state. Hence, calling `tf.raw_ops.GetSessionHandle` or `tf.raw_ops.GetSessionHandleV2` results in a null pointer dereference In linked snippet, in eager mode, `ctx->session_state()` returns `nullptr`. Since code immediately dereferences this, we get a segmentation fault. The issue is patched in commit 9a133d73ae4b4664d22bd1aa6d654fec13c52ee1, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.","publishedAt":"2020-09-25T18:46:02.000Z","updatedAt":"2024-08-04T13:08:22.924Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["tensorflow tensorflow"],"affected":[{"vendor":"tensorflow","product":"tensorflow","versions":[{"version":"< 1.15.4","status":"affected"},{"version":">= 2.0.0, < 2.0.3","status":"affected"},{"version":">= 2.1.0, < 2.1.2","status":"affected"},{"version":">= 2.2.0, < 2.2.1","status":"affected"},{"version":">= 2.3.0, < 2.3.1","status":"affected"}]}],"references":["https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1","https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8","https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1","http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T19:46:36.523Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/15xxx/CVE-2020-15204.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-15204","state":"PUBLISHED","datePublished":"2020-09-25T18:46:02.000Z","dateUpdated":"2024-08-04T13:08:22.924Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2020-06-25T00:00:00.000Z"},"containers":{"cna":{"title":"Segfault in Tensorflow","descriptions":[{"lang":"en","value":"In eager mode, TensorFlow before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1 does not set the session state. Hence, calling `tf.raw_ops.GetSessionHandle` or `tf.raw_ops.GetSessionHandleV2` results in a null pointer dereference In linked snippet, in eager mode, `ctx->session_state()` returns `nullptr`. Since code immediately dereferences this, we get a segmentation fault. The issue is patched in commit 9a133d73ae4b4664d22bd1aa6d654fec13c52ee1, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1."}],"affected":[{"vendor":"tensorflow","product":"tensorflow","versions":[{"version":"< 1.15.4","status":"affected"},{"version":">= 2.0.0, < 2.0.3","status":"affected"},{"version":">= 2.1.0, < 2.1.2","status":"affected"},{"version":">= 2.2.0, < 2.2.1","status":"affected"},{"version":">= 2.3.0, < 2.3.1","status":"affected"}]}],"references":[{"url":"https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1","tags":["x_refsource_MISC"]},{"url":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1","tags":["x_refsource_MISC"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html","name":"openSUSE-SU-2020:1766","tags":["vendor-advisory","x_refsource_SUSE"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"{\"CWE-476\":\"NULL Pointer Dereference\"}","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2020-10-29T15:06:13.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-q8gv-q7wr-9jf8","discovery":"UNKNOWN"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2020-15204","STATE":"PUBLIC","TITLE":"Segfault in Tensorflow"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"tensorflow","version":{"version_data":[{"version_value":"< 1.15.4"},{"version_value":">= 2.0.0, < 2.0.3"},{"version_value":">= 2.1.0, < 2.1.2"},{"version_value":">= 2.2.0, < 2.2.1"},{"version_value":">= 2.3.0, < 2.3.1"}]}}]},"vendor_name":"tensorflow"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In eager mode, TensorFlow before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1 does not set the session state. Hence, calling `tf.raw_ops.GetSessionHandle` or `tf.raw_ops.GetSessionHandleV2` results in a null pointer dereference In linked snippet, in eager mode, `ctx->session_state()` returns `nullptr`. Since code immediately dereferences this, we get a segmentation fault. The issue is patched in commit 9a133d73ae4b4664d22bd1aa6d654fec13c52ee1, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"{\"CWE-476\":\"NULL Pointer Dereference\"}"}]}]},"references":{"reference_data":[{"name":"https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1","refsource":"MISC","url":"https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1"},{"name":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8","refsource":"CONFIRM","url":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8"},{"name":"https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1","refsource":"MISC","url":"https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1"},{"name":"openSUSE-SU-2020:1766","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html"}]},"source":{"advisory":"GHSA-q8gv-q7wr-9jf8","discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html","name":"openSUSE-SU-2020:1766","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T13:08:22.924Z"}}]}}}