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CVE-2018-15796

Signing Key Extraction in Bits Service Release

HIGH
8.1
CVSS Score
Published: November 9, 2018 at 10:00 PM UTC
Updated: June 17, 2026 at 01:43 AM UTC
2 products affected across 2 vendorsBits ServiceBits Service

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Severity
HIGH8.1
Exploit prediction
EPSS 0.7%

Description

Cloud Foundry Bits Service Release, versions prior to 2.14.0, uses an insecure hashing algorithm to sign URLs. A remote malicious user may obtain a signed URL and extract the signing key, allowing them complete read and write access to the the Bits Service storage.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Bits Service· Pivotal
95%
v < 2.14.0
Affected range stops below 2.14.0, so it looks safe — our inference, not a vendor statement
Bits Service· Cloudfoundry
60%
v < 2.14.0
Affected range stops below 2.14.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.cloudfoundry.org/blog/cve-2018-15796

CVSS

8.1HIGHdell
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-326

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