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CVE-2018-1517· NVD / CVE Program· CNA ibm

A flaw in the java.math component in IBM SDK, Java Technology Edition 6.0, 7.0, and 8.0 may allow an attacker to inflict a denial-of-service

A flaw in the java.math component in IBM SDK, Java Technology Edition 6.0, 7.0, and 8.0 may allow an attacker to inflict a denial-of-service attack with specially crafted String data. IBM X-Force ID: 141681.

HighCVSS 7.5 · v3.0—No exploit Fix available
Published
Aug 20, 2018
Updated
Jun 16, 2026
EPSS
4.0% · 90th percentile
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 4.0%

CNA vs NVD score

NVD
7.5
CNA · ibm
5.9
1.6 point gap

CVSS:3.0/A:H/AC:H/AV:N/C:N/I:N/PR:N/S:U/UI:N/E:U/RC:C/RL:O

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
ibmsoftware development kit
redhatsatellite
redhatenterprise linux desktop
redhatenterprise linux server
redhatenterprise linux workstation

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ibm software development kit6
  • ibm software development kit6.0
  • ibm software development kit6r1
  • ibm software development kit7
  • ibm software development kit7.0
  • ibm software development kit7r1
  • ibm software development kit8
  • ibm software development kit8.0
  • redhat enterprise linux desktop6.0
  • redhat enterprise linux desktop7.0
  • redhat enterprise linux server6.0
  • redhat enterprise linux server7.0
  • redhat enterprise linux workstation6.0
  • redhat enterprise linux workstation7.0
  • redhat satellite5.6
  • redhat satellite5.7
  • redhat satellite5.8

Versions reported by the vendor

Affected version ranges reported by the assigning authority (ibm). Independent of NVD's CPE analysis and usually ahead of it.

  • IBM SDK, Java Technology Edition

    • 6.0, 7.0, 8.0affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Red Hat:rhel_extras:6java-1.7.1-ibmbefore 1:1.7.1.4.30-1jpp.2.el6_101:1.7.1.4.30-1jpp.2.el6_10
Red Hat:rhel_extras:6java-1.7.1-ibm-demobefore 1:1.7.1.4.30-1jpp.2.el6_101:1.7.1.4.30-1jpp.2.el6_10
Red Hat:rhel_extras:6java-1.7.1-ibm-develbefore 1:1.7.1.4.30-1jpp.2.el6_101:1.7.1.4.30-1jpp.2.el6_10
Red Hat:rhel_extras:6java-1.7.1-ibm-jdbcbefore 1:1.7.1.4.30-1jpp.2.el6_101:1.7.1.4.30-1jpp.2.el6_10
Red Hat:rhel_extras:6java-1.7.1-ibm-pluginbefore 1:1.7.1.4.30-1jpp.2.el6_101:1.7.1.4.30-1jpp.2.el6_10
Red Hat:rhel_extras:6java-1.7.1-ibm-srcbefore 1:1.7.1.4.30-1jpp.2.el6_101:1.7.1.4.30-1jpp.2.el6_10
Red Hat:rhel_extras:6java-1.8.0-ibmbefore 1:1.8.0.5.20-1jpp.1.el6_101:1.8.0.5.20-1jpp.1.el6_10
Red Hat:rhel_extras:6java-1.8.0-ibm-demobefore 1:1.8.0.5.20-1jpp.1.el6_101:1.8.0.5.20-1jpp.1.el6_10
Red Hat:rhel_extras:6java-1.8.0-ibm-develbefore 1:1.8.0.5.20-1jpp.1.el6_101:1.8.0.5.20-1jpp.1.el6_10
Red Hat:rhel_extras:6java-1.8.0-ibm-jdbcbefore 1:1.8.0.5.20-1jpp.1.el6_101:1.8.0.5.20-1jpp.1.el6_10
Red Hat:rhel_extras:6java-1.8.0-ibm-pluginbefore 1:1.8.0.5.20-1jpp.1.el6_101:1.8.0.5.20-1jpp.1.el6_10
Red Hat:rhel_extras:6java-1.8.0-ibm-srcbefore 1:1.8.0.5.20-1jpp.1.el6_101:1.8.0.5.20-1jpp.1.el6_10
Red Hat:rhel_extras:7java-1.7.1-ibmbefore 1:1.7.1.4.30-1jpp.1.el71:1.7.1.4.30-1jpp.1.el7
Red Hat:rhel_extras:7java-1.7.1-ibm-demobefore 1:1.7.1.4.30-1jpp.1.el71:1.7.1.4.30-1jpp.1.el7
Red Hat:rhel_extras:7java-1.7.1-ibm-develbefore 1:1.7.1.4.30-1jpp.1.el71:1.7.1.4.30-1jpp.1.el7
Red Hat:rhel_extras:7java-1.7.1-ibm-jdbcbefore 1:1.7.1.4.30-1jpp.1.el71:1.7.1.4.30-1jpp.1.el7
Red Hat:rhel_extras:7java-1.7.1-ibm-pluginbefore 1:1.7.1.4.30-1jpp.1.el71:1.7.1.4.30-1jpp.1.el7
Red Hat:rhel_extras:7java-1.7.1-ibm-srcbefore 1:1.7.1.4.30-1jpp.1.el71:1.7.1.4.30-1jpp.1.el7
Red Hat:rhel_extras:7java-1.8.0-ibmbefore 1:1.8.0.5.20-1jpp.1.el71:1.8.0.5.20-1jpp.1.el7
Red Hat:rhel_extras:7java-1.8.0-ibm-demobefore 1:1.8.0.5.20-1jpp.1.el71:1.8.0.5.20-1jpp.1.el7
Red Hat:rhel_extras:7java-1.8.0-ibm-develbefore 1:1.8.0.5.20-1jpp.1.el71:1.8.0.5.20-1jpp.1.el7
Red Hat:rhel_extras:7java-1.8.0-ibm-jdbcbefore 1:1.8.0.5.20-1jpp.1.el71:1.8.0.5.20-1jpp.1.el7
Red Hat:rhel_extras:7java-1.8.0-ibm-pluginbefore 1:1.8.0.5.20-1jpp.1.el71:1.8.0.5.20-1jpp.1.el7
Red Hat:rhel_extras:7java-1.8.0-ibm-srcbefore 1:1.8.0.5.20-1jpp.1.el71:1.8.0.5.20-1jpp.1.el7

+5

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
red hat:java-1.7.1-ibm1:1.7.1.4.30-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.7.1-ibm-demo1:1.7.1.4.30-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.7.1-ibm-devel1:1.7.1.4.30-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.7.1-ibm-jdbc1:1.7.1.4.30-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.7.1-ibm-plugin1:1.7.1.4.30-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.7.1-ibm-src1:1.7.1.4.30-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.8.0-ibm1:1.8.0.5.20-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.8.0-ibm-demo1:1.8.0.5.20-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.8.0-ibm-devel1:1.8.0.5.20-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.8.0-ibm-jdbc1:1.8.0.5.20-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.8.0-ibm-plugin1:1.8.0.5.20-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
red hat:java-1.8.0-ibm-src1:1.8.0.5.20-1jpp.1.el7 · Red Hat:rhel_extras:7Package registry (OSV)
suse:java-1_7_0-ibm1.7.0_sr10.30-65.28.1 · SUSE:Linux Enterprise Point of Sale 11 SP3Package registry (OSV)
suse:java-1_7_1-ibm1.7.1_sr4.30-26.29.1 · SUSE:Linux Enterprise Software Development Kit 11 SP4Package registry (OSV)
suse:java-1_8_0-ibm1.8.0_sr5.20-30.36.1 · SUSE:OpenStack Cloud 7Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records