8.1high

CVE-2018-15796

Signing Key Extraction in Bits Service Release

Published 7 y ago · modified 4 mo ago · JSON

CVSS
8.1
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.7%
percentile 54%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.71% probability of exploitation in the next 30 days, higher than 54% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.08.1CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CNA3.08.1CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD3.08.1CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD2.05.5AV:N/AC:L/Au:S/C:P/I:P/A:N

Affected products

  • Cloud Foundry bits-service-release

Classification

Weakness
  • CWE-326 Inadequate Encryption Strength

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.