Google TensorFlow prior 2.6.1/2.7.0 CollectiveReduceV2 use after free
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.9 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Google TensorFlow (Artificial Intelligence Software). Affected by this vulnerability is the function CollectiveReduceV2
. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was published 11/06/2021 as GHSA-gpfh-jvf9-7wg5. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-41220 since 09/15/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/06/2021).
Upgrading to version 2.6.1 or 2.7.0 eliminates this vulnerability. Applying the patch ca38dab9d3ee66c5de06f11af9a4b1200da5ef75 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.8
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: TensorFlow 2.6.1/2.7.0
Patch: ca38dab9d3ee66c5de06f11af9a4b1200da5ef75
Timeline
09/15/2021 🔍11/06/2021 🔍
11/06/2021 🔍
11/10/2021 🔍
Sources
Vendor: google.comAdvisory: GHSA-gpfh-jvf9-7wg5
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-41220 (🔍)
Entry
Created: 11/06/2021 09:37Updated: 11/10/2021 10:35
Changes: 11/06/2021 09:37 (52), 11/10/2021 10:35 (2)
Complete: 🔍
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