Google Asylo up to 0.6.0 enc_untrusted_recvmsg result buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

A vulnerability was found in Google Asylo up to 0.6.0. It has been classified as critical. Affected is the function enc_untrusted_recvmsg. The manipulation of the argument result with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/16/2020 as fa6485c5d16a7355eab047d4a44345a73bc9131e. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-8940. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Local: Yes
Remote: No

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/16/2020 🔍
12/16/2020 +0 days 🔍
12/16/2020 +0 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: fa6485c5d16a7355eab047d4a44345a73bc9131e
Status: Confirmed

CVE: CVE-2020-8940 (🔍)

Entryinfo

Created: 12/16/2020 11:09
Changes: 12/16/2020 11:09 (40)
Complete: 🔍

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