Vulnerability Name:

CVE-2020-15208 (CCN-188959)

Assigned:2020-06-25
Published:2020-06-25
Updated:2021-09-16
Summary:In tensorflow-lite before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1, when determining the common dimension size of two tensors, TFLite uses a `DCHECK` which is no-op outside of debug compilation modes. Since the function always returns the dimension of the first tensor, malicious attackers can craft cases where this is larger than that of the second tensor. In turn, this would result in reads/writes outside of bounds since the interpreter will wrongly assume that there is enough data in both tensors. The issue is patched in commit 8ee24e7949a203d234489f9da2c5bf45a7d5157d, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-125
CWE-787
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-15208

Source: SUSE
Type: Mailing List, Third Party Advisory
openSUSE-SU-2020:1766

Source: XF
Type: UNKNOWN
tensorflow-cve202015208-sec-bypass(188959)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/tensorflow/tensorflow/commit/8ee24e7949a203d234489f9da2c5bf45a7d5157d

Source: MISC
Type: Third Party Advisory
https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1

Source: CCN
Type: TensorFlow Lite GIT Repository
Data corruption due to dimension mismatch in TFLite

Source: CONFIRM
Type: Exploit, Third Party Advisory
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-mxjj-953w-2c2v

Source: CCN
Type: IBM Security Bulletin 6357195 (Watson Machine Learning Community Edition)
Numerous CVE entires for TensorFlow in Watson Machine Learning Community Edition

Source: CCN
Type: IBM Security Bulletin 6364979 (Watson Discovery)
IBM Watson Discovery for IBM Cloud Pak for Data affected by vulnerability in TensorFlow

Source: CCN
Type: IBM Security Bulletin 6434211 (Watson Machine Learning)
Tensor Flow security vulnerabilities on IBM Watson Machine Learning on CP4D

Source: CCN
Type: IBM Security Bulletin 6445773 (Watson Machine Learning Server on-prem)
Tensor Flow security vulnerabilities on IBM Watson Machine Learning Server

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-15208

Vulnerable Configuration:Configuration 1:
  • cpe:/a:google:tensorflow:*:*:*:*:lite:*:*:* (Version < 1.15.4)
  • OR cpe:/a:google:tensorflow:*:*:*:*:lite:*:*:* (Version >= 2.0.0 and < 2.0.3)
  • OR cpe:/a:google:tensorflow:*:*:*:*:lite:*:*:* (Version >= 2.1.0 and < 2.1.2)
  • OR cpe:/a:google:tensorflow:*:*:*:*:lite:*:*:* (Version >= 2.2.0 and < 2.2.1)
  • OR cpe:/a:google:tensorflow:*:*:*:*:lite:*:*:* (Version >= 2.3.0 and < 2.3.1)

  • Configuration 2:
  • cpe:/o:opensuse:leap:15.2:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:google:tensorflow:1.15.3:*:*:*:-:*:*:*
  • OR cpe:/a:google:tensorflow:2.0.2:*:*:*:-:*:*:*
  • OR cpe:/a:google:tensorflow:2.1.1:*:*:*:-:*:*:*
  • OR cpe:/a:tensorflow:tensorflow:2.2.0:*:*:*:-:*:*:*
  • OR cpe:/a:tensorflow:tensorflow:2.3.0:*:*:*:-:*:*:*
  • AND
  • cpe:/a:ibm:watson_discovery:2.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:watson_machine_learning:1.6.2:*:community:*:*:*:*:*
  • OR cpe:/a:ibm:watson_machine_learning:1.7.0:*:community:*:*:*:*:*
  • OR cpe:/a:ibm:watson_discovery:2.1.4:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:202015208
    V
    CVE-2020-15208
    2022-06-30
    oval:org.opensuse.security:def:64780
    P
    Security update for krb5 (Moderate)
    2021-10-18
    oval:org.opensuse.security:def:63125
    P
    kernel-azure-5.3.18-36.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:63335
    P
    libapr-util1-dbd-mysql-1.6.1-16.43 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:63129
    P
    python3-aiohttp-3.4.4-3.6.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:63132
    P
    terraform-0.13.4-6.3.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:64536
    P
    Security update for cryptctl (Important)
    2021-06-23
    oval:org.opensuse.security:def:64882
    P
    Security update for umoci (Important)
    2021-06-04
    oval:org.opensuse.security:def:64672
    P
    Security update for gnutls (Important)
    2021-03-24
    oval:org.opensuse.security:def:64673
    P
    Security update for ldb (Important)
    2021-03-24
    oval:org.opensuse.security:def:63157
    P
    libcacard-devel-2.5.3-1.27 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:63628
    P
    libntfs-3g-devel-2016.2.22-3.5.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:63831
    P
    Security update for dpdk (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:75127
    P
    Security update for tensorflow2 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:64940
    P
    Security update for Mesa (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:63978
    P
    Security update for samba (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:65052
    P
    Security update for gnutls (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:64207
    P
    amavisd-new on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:74994
    P
    Security update for ldb, samba (Important)
    2020-12-01
    oval:org.opensuse.security:def:110822
    P
    Security update for tensorflow2 (Moderate)
    2020-10-29
    BACK
    google tensorflow *
    google tensorflow *
    google tensorflow *
    google tensorflow *
    google tensorflow *
    opensuse leap 15.2
    google tensorflow 1.15.3
    google tensorflow 2.0.2
    google tensorflow 2.1.1
    tensorflow tensorflow 2.2.0
    tensorflow tensorflow 2.3.0
    ibm watson discovery 2.0.0
    ibm watson machine learning 1.6.2
    ibm watson machine learning 1.7.0
    ibm watson discovery 2.1.4