Timing attack allows extraction of signing key in Bits Service
Priority LOW 37CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
Cloud Foundry Bits Service, versions prior to 2.18.0, includes an information disclosure vulnerability. A remote malicious user may execute a timing attack to brute-force the signing key, allowing them complete read and write access to the the Bits Service storage.
Why it matters now
EPSS 0.00928 60th percentileScored 2026-11-07
Fix Fixed Bits Service Release (Cloud Foundry): 2.18.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cloud Foundry | Bits Service Release | all versions to before 2.18.0 | 2.18.0 | Patch available | CNA |
- Bits Service Release VendorCloud Foundry Affected all versions to before 2.18.0 Fixed in 2.18.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cloud_foundry:bits_service:*:*:*:*:*:*:*:* | before 2.18.0 | Vulnerable | Cloud Foundry |
- cpe:2.3:a:cloud_foundry:bits_service:*:*:*:*:*:*:*:* Versions before 2.18.0 Vulnerable ·Cloud Foundry
Remediation
- Fix · CNA Bits Service Release (Cloud Foundry) Fixed in 2.18.0
Timeline
- 2026-10-02 Threatist record created from CVE-2018-15800
- 2026-10-03 Alias added: GHSA-wxfx-g5v8-gmxf
References
Sources
- CVE-2018-15800 · CVE Program
- CVE-2018-15800 · NVD
- FIRST EPSS
- GHSA-wxfx-g5v8-gmxf · GitHub Advisory Database · CC BY 4.0
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