ARM mbed TLS up to 3.0.x psa_aead_generate_nonce memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in ARM mbed TLS up to 3.0.x. Affected by this vulnerability is the function psa_aead_generate_nonce. This manipulation causes memory corruption. This vulnerability is registered as CVE-2021-45451. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in ARM mbed TLS up to 3.0.x and classified as critical. Affected by this vulnerability is the function psa_aead_generate_nonce. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 12/21/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-45451 since 12/21/2021. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.1.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: mbed TLS 3.1.0

Timelineinfo

12/21/2021 🔍
12/21/2021 +0 days 🔍
12/21/2021 +0 days 🔍
12/25/2021 +4 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-45451 (🔍)
GCVE (CVE): GCVE-0-2021-45451
GCVE (VulDB): GCVE-100-188815

Entryinfo

Created: 12/21/2021 12:43
Updated: 12/25/2021 09:58
Changes: 12/21/2021 12:43 (40), 12/25/2021 09:58 (1)
Complete: 🔍
Cache ID: 216::103

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