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CVE-2020-15207 Details

Description

In tensorflow-lite before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1, to mimic Python's indexing with negative values, TFLite uses `ResolveAxis` to convert negative values to positive indices. However, the only check that the converted index is now valid is only present in debug builds. If the `DCHECK` does not trigger, then code execution moves ahead with a negative index. This, in turn, results in accessing data out of bounds which results in segfaults and/or data corruption. The issue is patched in commit 2d88f470dea2671b430884260f3626b1fe99830a, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9 CRITICALVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.7 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html	CVE	Mailing ListThird Party Advisory
https://github.com/tensorflow/tensorflow/commit/2d88f470dea2671b430884260f3626b1fe99830a	CVE	PatchThird Party Advisory
https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1	CVE	Third Party Advisory
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q4qf-3fc6-8x34	CVE	ExploitThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html	[email protected]	Mailing ListThird Party Advisory
https://github.com/tensorflow/tensorflow/commit/2d88f470dea2671b430884260f3626b1fe99830a	[email protected]	PatchThird Party Advisory
https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1	[email protected]	Third Party Advisory
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q4qf-3fc6-8x34	[email protected]	ExploitThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
google tensorflow	< 1.15.4 >= 2.0.0, < 2.0.3 >= 2.1.0, < 2.1.2 >= 2.2.0, < 2.2.1 >= 2.3.0, < 2.3.1
CPE cpe:2.3:a:google:tensorflow:::::lite:::* Remediation No remediation found in references.
opensuse leap	15.2
CPE cpe:2.3:o:opensuse:leap:15.2:::::::* Remediation No remediation found in references.

Change History

12 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 18, 2021	Reanalysis	[email protected]
Sep 16, 2021	Modified Analysis	[email protected]
Aug 17, 2021	CPE Deprecation Remap	[email protected]
Aug 17, 2021	CPE Deprecation Remap	[email protected]
Aug 17, 2021	CPE Deprecation Remap	[email protected]
Aug 17, 2021	CPE Deprecation Remap	[email protected]
Aug 17, 2021	CPE Deprecation Remap	[email protected]
Oct 29, 2020	CVE Modified	[email protected]
Oct 1, 2020	Initial Analysis	[email protected]