What’s Vulnerable › Vulnerabilities

CVE-2018-0486

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-13 · updated 2026-06-17
• Weakness: CWE-347

Description

Shibboleth XMLTooling-C before 1.6.3, as used in Shibboleth Service Provider before 2.6.0 on Windows and other products, mishandles digital signatures of user attribute data, which allows remote attackers to obtain sensitive information or conduct impersonation attacks via a crafted DTD.

Affected products

• Debian Linux: 7.0, 8.0, 9.0
• Shibboleth Xmltooling-C: before 1.6.3 — fixed in 1.6.3

How to fix

Upgrade to a fixed version: Shibboleth Xmltooling-C 1.6.3. Check the vendor advisory for mitigations.

References

• http://www.securitytracker.com/id/1040177
• https://lists.debian.org/debian-lts-announce/2018/01/msg00016.html
• https://lists.debian.org/debian-security-announce/2018/msg00007.html
• https://shibboleth.net/community/advisories/secadv_20180112.txt
• https://www.debian.org/security/2018/dsa-4085
• http://www.securitytracker.com/id/1040177
• https://lists.debian.org/debian-lts-announce/2018/01/msg00016.html
• https://lists.debian.org/debian-security-announce/2018/msg00007.html
• https://shibboleth.net/community/advisories/secadv_20180112.txt
• https://www.debian.org/security/2018/dsa-4085

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