OpenStack Keystone Application Secret stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in OpenStack Keystone (Cloud Software) (affected version not known). It has been rated as critical. Affected by this issue is an unknown code of the component Application Secret Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity.

The weakness was released 08/26/2022. The advisory is available at access.redhat.com. This vulnerability is handled as CVE-2021-3563 since 05/21/2021. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

Vendor

Name

License

  • free

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
ATT&CK: Unknown

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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/21/2021 CVE reserved
08/26/2022 +462 days Advisory disclosed
08/26/2022 +0 days VulDB entry created
10/02/2022 +37 days VulDB last update

Sourcesinfo

Vendor: openstack.org

Advisory: access.redhat.com
Status: Confirmed

CVE: CVE-2021-3563 (🔒)

Entryinfo

Created: 08/26/2022 08:43 PM
Updated: 10/02/2022 12:32 PM
Changes: 08/26/2022 08:43 PM (38), 10/02/2022 12:32 PM (11)
Complete: 🔍

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