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Fencer Intel
medium 6.5

CVE-2018-0489 json

Shibboleth XMLTooling-C before 1.6.4, as used in Shibboleth Service Provider before 2.6.1.4 on Windows and other products, mishandles digit…

published 2018-02-27 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1312

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Shibboleth XMLTooling-C before 1.6.4, as used in Shibboleth Service Provider before 2.6.1.4 on Windows and other products, mishandles digital signatures of user data, which allows remote attackers to obtain sensitive information or conduct impersonation attacks via crafted XML data. NOTE: this issue exists because of an incomplete fix for CVE-2018-0486.

Patch / fix

  • shibboleth xmltooling-c 1.6.4
  • arubanetworks clearpass 6.7.2
  • xmltooling Debian 14, Debian 13, Debian 12 1.6.4-1

debian advisories DEBIAN-CVE-2018-0489

  • xmltooling Ubuntu 14.04 LTS 1.5.3-2+deb8u3build0.14.04.1
  • xmltooling Ubuntu 16.04 LTS 1.5.6-2ubuntu0.2

ubuntu advisories UBUNTU-CVE-2018-0489

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • xmltooling SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +4 more 1.5.6-3.6.1

suse advisories SUSE-SU-2018:0720-1

  • xmltooling openSUSE Tumbleweed 3.2.0-1.2

opensuse advisories openSUSE-SU-2024:11523-1

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-2018-0489 updated cvss 8.1

openSAML: Mishandling of comments in SAML content can lead to bypass of signature verification

  • Red Hat JBoss Enterprise Application Platform 6 opensaml-core Red Hat JBoss Enterprise Application Platform 7 opensaml-core
    not affected: vulnerable code not present

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

2.11% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected products

  • n/a Shibboleth XMLTooling-C before 1.6.4

Classification

Weakness
  • CWE-347 Improper Verification of Cryptographic Signature

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.