CVE-2019-3465 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8

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