OpenThread GeneratePskc out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in OpenThread. Affected by this vulnerability is the function MeshCoP::Commissioner::GeneratePskc. Executing a manipulation can lead to out-of-bounds write. This vulnerability appears as CVE-2019-20791. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in OpenThread (the affected version unknown). It has been declared as critical. This vulnerability affects the function MeshCoP::Commissioner::GeneratePskc. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

The weakness was presented 04/28/2020. This vulnerability was named CVE-2019-20791 since 04/28/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

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

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: 🔍

Patch: github.com

Timelineinfo

12/13/2019 🔍
04/28/2020 +137 days 🔍
04/28/2020 +0 days 🔍
04/29/2020 +1 days 🔍
06/04/2024 +1497 days 🔍

Sourcesinfo

Product: github.com

Advisory: b8c3161281f8e15873f8decabd8eac461717aefe
Status: Not defined

CVE: CVE-2019-20791 (🔍)
GCVE (CVE): GCVE-0-2019-20791
GCVE (VulDB): GCVE-100-154528

Entryinfo

Created: 04/29/2020 08:07
Updated: 06/04/2024 08:46
Changes: 04/29/2020 08:07 (35), 04/29/2020 08:12 (17), 06/04/2024 08:46 (20)
Complete: 🔍
Cache ID: 216::103

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

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