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CVE-2019-3465

HIGH
8.8
CVSS Score
Published: November 7, 2019 at 07:12 PM UTC
Updated: June 17, 2026 at 02:35 AM UTC
3 products affected across 3 vendorsDebian LinuxSimplesamlphpXmlseclibs

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Severity
HIGH8.8
Exploit prediction
EPSS 3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
10.08.09.0
Simplesamlphp· Simplesamlphp
95%
v ≤ 1.17.6
Xmlseclibs· Xmlseclibs Project
95%
v < 3.0.31.0.0 ≤ v ≤ 1.4.22.0.0 ≤ v ≤ 2.1.03.0.0 ≤ v ≤ 3.0.3
Affected range stops below 3.0.3, so it looks safe — our inference, not a vendor statement

References (15)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/robrichards/xmlseclibs/commit/0a53d3c3aa87564910cae4ed01416441d3ae0db5
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2019/11/msg00003.html
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KID7C4AZPYYIZQIPSLANP4R2RQR6YK3/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AB34ILMJ67CUROBOR6YPKB46VHXLOAJ4/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBKVDUZ7G5ZOUO4BFJWLNJ6VOKBQJX5U/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BNFMY5RRLU63P25HEBVDO5KAVI7TX7JV/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESKJTWLE7QZBQ3EKMYXKMBQG3JDEJWM6/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HBE2SJSXG7J4XYLJ2H6HC2VPPOG2OMUN/

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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