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Fencer Intel
critical 9.8

CVE-2015-4412 json

bson is vulnerable to denial of service due to incorrect regex validation

published 8y ago modified 4mo ago also GHSA-h6rj-8r3c-9gpj , EUVD-2018-0180

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.7%
EPSS 4.7% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

BSON injection vulnerability in the legal? function in BSON (bson-ruby) gem before 3.0.4 for Ruby allows remote attackers to cause a denial of service (resource consumption) or inject arbitrary data via a crafted string.

Patch / fix

  • rubygems bson 1.12.3, 3.0.4

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-4412 updated cvss 5.1

rubygem-bson: data injection vulnerability through a crafted ObjectId

  • Red Hat OpenShift Enterprise 2 rubygem-bson, ruby193-rubygem-bson Red Hat Software Collections ror40-rubygem-bson, ruby193-rubygem-bson, rh-ror41-rubygem-bson Red Hat Subscription Asset Manager ruby193-rubygem-bson
    affected: no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.66% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • sakurity.com https://sakurity.com/blog/2015/06/04/mongo_ruby_regexp.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
rubygems bson
<1.12.3
>=2.0, <3.0.4
1.12.3
3.0.4

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.