Google TensorFlow prior 2.4.4/2.5.2/2.6.1/2.7.0 Parameter Cudnn input_h/input_c buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

A vulnerability was found in Google TensorFlow (Artificial Intelligence Software). It has been declared as critical. This vulnerability affects the function Cudnn of the component Parameter Handler. The manipulation of the argument input_h/input_c with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 11/06/2021 as GHSA-cqv6-3phm-hcwx. The advisory is available at github.com. This vulnerability was named CVE-2021-41221 since 09/15/2021. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/06/2021).

Upgrading to version 2.4.4, 2.5.2, 2.6.1 or 2.7.0 eliminates this vulnerability. Applying the patch af5fcebb37c8b5d71c237f4e59c6477015c78ce6 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.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB 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.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TensorFlow 2.4.4/2.5.2/2.6.1/2.7.0
Patch: af5fcebb37c8b5d71c237f4e59c6477015c78ce6

Timelineinfo

09/15/2021 🔍
11/06/2021 +52 days 🔍
11/06/2021 +0 days 🔍
11/10/2021 +4 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: GHSA-cqv6-3phm-hcwx
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41221 (🔍)

Entryinfo

Created: 11/06/2021 08:38
Updated: 11/10/2021 09:08
Changes: 11/06/2021 08:38 (54), 11/10/2021 09:08 (2)
Complete: 🔍

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