Security readout for executives and security teams
Plain-English summary
Red Hat Developer Hub can expose a GitLab access token in a frontend error from the catalog-import function when the base64-encoded token ends with a newline. Anyone who obtains that token may act in GitLab according to its permissions, potentially changing repositories or keys. This is a credential exposure issue, not evidence of broad remote compromise.
Executive priority
Prioritize remediation for environments where RHDH imports GitLab catalogs with privileged tokens. Business urgency is moderate overall, but rises if exposed tokens can write code, manage keys, or affect signing workflows.
Technical view
CVE-2023-6944 is a CWE-209 information exposure flaw in RHDH-1.1-RHEL-9, package rhdh/rhdh-hub-rhel9 version 1.1-107.1724038966. The catalog-import error handling can display a raw GitLab access token in the frontend when the encoded token has a trailing newline. CVSS v3.1 is 5.7: AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.
Likely exposure
Exposure appears limited to Red Hat Developer Hub 1.1 on RHEL 9 using the affected rhdh/rhdh-hub-rhel9 package and GitLab catalog-import tokens. Risk depends heavily on whether tokens with trailing newlines were configured and what GitLab permissions those tokens held.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The scenario requires some privileges and user interaction, but leaked tokens could have high confidentiality impact and enable downstream GitLab abuse depending on token scope.
Researcher notes
Evidence is vendor-sourced and specific. The vulnerable behavior is a sanitized error disclosure path tied to trailing newline handling in a base64-encoded GitLab token. No exploit procedure, public exploitation, or independent confirmation is included in the supplied bundle.
Mitigation direction
- Review Red Hat advisory RHBA-2024:5869 and apply the vendor-provided update if applicable.
- Rotate any GitLab tokens used by RHDH catalog-import.
- Revoke tokens suspected of appearing in frontend errors.
- Reduce GitLab token scopes to the minimum required permissions.
- Check Red Hat guidance before applying environment-specific workarounds.
Validation and detection
- Inventory RHDH 1.1 RHEL 9 deployments and rhdh/rhdh-hub-rhel9 package versions.
- Identify catalog-import configurations using GitLab access tokens.
- Check whether encoded GitLab token values include trailing newlines.
- Review frontend error reports for accidental token disclosure.
- Confirm affected tokens were rotated or revoked after remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-209: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-6944 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N2.13.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.7MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- RHBA-2024:5869CVE reference · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2023-6944CVE reference · vdb-entry, x_refsource_REDHAT
- RHBZ#2255204CVE reference · issue-tracking, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Generation of Error Message Containing Sensitive Information
Generation of Error Message Containing Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.