Critical severity · published Sep 25, 2020
CVE-2020-15207
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…
9.0
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Leap · Opensuse
15.2 · source: NVD
TE
Tensorflow · Google
before 1.15.4; 2.0.0 before 2.0.3; 2.1.0 before 2.1.2; 2.2.0 before 2.2.1; 2.3.0 before 2.3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15207
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15207
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html
Patch
https://github.com/tensorflow/tensorflow/commit/2d88f470dea2671b430884260f3626b1fe99830a
Third Party Advisory
https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1
Exploit
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q4qf-3fc6-8x34
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