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

Summaryinfo

A vulnerability described as critical has been identified in Google Asylo up to 0.6.0. This affects the function enc_untrusted_recvmsg. The manipulation of the argument result results in buffer overflow. This vulnerability is identified as CVE-2020-8940. The attack is only possible with local access. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AVACAuCIA
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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: 🔍

Physical: Partially
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
Product: github.com

Advisory: fa6485c5d16a7355eab047d4a44345a73bc9131e
Status: Confirmed

CVE: CVE-2020-8940 (🔍)
GCVE (CVE): GCVE-0-2020-8940
GCVE (VulDB): GCVE-100-166416

Entryinfo

Created: 12/16/2020 11:09
Changes: 12/16/2020 11:09 (40)
Complete: 🔍
Cache ID: 216::103

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