Security readout for executives and security teams
CVE-2017-2623 is a package trust weakness in rpm-ostree layering. Affected systems may fail to reject unsigned or badly signed package content, creating a path for untrusted software to be accepted if a user triggers layering. The source notes partial default mitigation on RHEL Atomic Host through certificate pinning. Exposure is most likely on systems using rpm-ostree package layering with rpm-ostree or rpm-ostree-client before 2017.3. RHEL Atomic Host deployments may have reduced exposure where default certificate pinning is active, but this should be verified. Treat as a targeted integrity risk, not an emergency. Prioritize remediation for systems that layer packages through rpm-ostree, especially where package sources or trust controls are less tightly managed. Mitigation focus: Apply Red Hat advisory RHSA-2017:0444 where applicable.; Upgrade rpm-ostree and rpm-ostree-client to a fixed vendor-supported release.; Verify RHEL Atomic Host certificate pinning remains enabled where relied upon..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupCVE-2017-2623 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
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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:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N1.63.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2623CVE reference · x_refsource_CONFIRM
- RHSA-2017:0444CVE reference · vendor-advisory, 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.
Improper Certificate Validation
Improper Certificate Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.