CVE-2021-38554: Github.com/hashicorp/vault Improper Removal Of Sensitive Information Vulnerability
MODERATECVE-2021-38554 is a MODERATE (CVSS 5.3) improper removal of sensitive information vulnerability (CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer) affecting Github.com/hashicorp/vault libraries in the Go ecosystem. The issue involves improper removal of sensitive information before storage or transfer in hashicorp vault. Remediation is available by upgrading affected packages to version 1.6.6, 1.7.4.
CVE-2021-38554 at a Glance
Security Impact
CVSS: 5.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N).
How to Fix CVE-2021-38554
To remediate this vulnerability, upgrade all affected Github.com/hashicorp/vault dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/hashicorp/vault to 1.6.6Upgrade github.com/hashicorp/vault to 1.7.4Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/hashicorp/vaultHow to Check if You Are Affected
To determine whether your application is affected by CVE-2021-38554, inspect your project dependencies for Github.com/hashicorp/vault:
inspect dependencies for github.com/hashicorp/vaultAnalyze the terminal output to locate any version of Github.com/hashicorp/vault in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.6.6), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer, where the product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors. In Github.com/hashicorp/vault, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2021-38554 Affected Github.com/hashicorp/vault Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/hashicorp/vault
|
Go |
< 1.6.6
|
1.6.6
|
|
github.com/hashicorp/vault
|
Go |
≥ 1.7.0
< 1.7.4
|
1.7.4
|
References
Frequently Asked Questions
What is CVE-2021-38554?
Which Github.com/hashicorp/vault versions are affected?
What version fixes CVE-2021-38554?
Is github.com/hashicorp/vault affected?
What is the CVSS score of CVE-2021-38554?
What CWE is associated with CVE-2021-38554?
How can I check Go dependencies for CVE-2021-38554?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-6239-28c2-9mrm",
"modified" : "2022-08-04T11:22:29Z",
"published" : "2021-08-30T17:22:38Z",
"aliases" : [ "CVE-2021-38554" ],
"summary" : "Improper Removal of Sensitive Information Before Storage or Transfer in HashiCorp Vault",
"details" : "HashiCorp Vault and Vault Enterprise’s UI erroneously cached and exposed user-viewed secrets between sessions in a single shared browser. Fixed in 1.8.0 and pending 1.7.4 / 1.6.6 releases.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/hashicorp/vault"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.6.6"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/hashicorp/vault"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.7.0"
}, {
"fixed" : "1.7.4"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-38554"
}, {
"type" : "WEB",
"url" : "https://discuss.hashicorp.com/t/hcsec-2021-19-vault-s-ui-cached-user-viewed-secrets-between-shared-browser-sessions/28166"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/hashicorp/vault"
}, {
"type" : "WEB",
"url" : "https://github.com/hashicorp/vault/releases/tag/v1.6.6"
}, {
"type" : "WEB",
"url" : "https://github.com/hashicorp/vault/releases/tag/v1.7.4"
}, {
"type" : "WEB",
"url" : "https://security.gentoo.org/glsa/202207-01"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-212" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2021-08-30T17:14:06Z",
"nvd_published_at" : "2021-08-13T16:15:00Z"
}
}