CVE-2019-3465

HIGH EPSS 85.8%
Published Nov 7, 20196y ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Nov 7, 2019 6y ago
Last Modified Jun 17, 2026 1w ago

Description

Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
85.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-347

Affected Products 7

VendorProductVersionRange
xmlseclibs_projectxmlseclibs*≥1.0.0  –  ≤1.4.2
xmlseclibs_projectxmlseclibs*≥2.0.0  –  ≤2.1.0
xmlseclibs_projectxmlseclibs*≥3.0.0  –  ≤3.0.3
debiandebian_linux8.0any
debiandebian_linux9.0any
debiandebian_linux10.0any
simplesamlphpsimplesamlphp* ≤1.17.6

References 15

  • github.com https://github.com/robrichards/xmlseclibs/commit/0a53d3c3aa87564910cae4ed01416441d3ae0db5
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2019/11/msg00003.html
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KID7C4AZPYYIZQIPSLANP4R2RQR6YK3/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AB34ILMJ67CUROBOR6YPKB46VHXLOAJ4/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBKVDUZ7G5ZOUO4BFJWLNJ6VOKBQJX5U/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BNFMY5RRLU63P25HEBVDO5KAVI7TX7JV/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESKJTWLE7QZBQ3EKMYXKMBQG3JDEJWM6/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HBE2SJSXG7J4XYLJ2H6HC2VPPOG2OMUN/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAWOVYLZKYDCQBLQEJCFAAD3KQTBPHXE/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OCSR3V6LNWJAD37VQB6M2K7P4RQSCVFG/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBSSRV5Q7JFCYO46A3EN624UZ4KXFQ2M/
  • seclists.org https://seclists.org/bugtraq/2019/Nov/8
    Issue TrackingMailing ListThird Party Advisory
  • simplesamlphp.org https://simplesamlphp.org/security/201911-01
    Third Party Advisory
  • debian.org https://www.debian.org/security/2019/dsa-4560
    Third Party Advisory
  • tenable.com https://www.tenable.com/security/tns-2019-09

Remediation

  • github.com https://github.com/robrichards/xmlseclibs/commit/0a53d3c3aa87564910cae4ed01416441d3ae0db5
    Patch