CVE-2019-3465

MEDIUM

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.

References

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

https://lists.debian.org/debian-lts-announce/2019/11/msg00003.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/7KID7C4AZPYYIZQIPSLANP4R2RQR6YK3/

https://lists.fedoraproject.org/archives/list/[email protected]/message/AB34ILMJ67CUROBOR6YPKB46VHXLOAJ4/

https://lists.fedoraproject.org/archives/list/[email protected]/message/ESKJTWLE7QZBQ3EKMYXKMBQG3JDEJWM6/

https://lists.fedoraproject.org/archives/list/[email protected]/message/HBE2SJSXG7J4XYLJ2H6HC2VPPOG2OMUN/

https://lists.fedoraproject.org/archives/list/[email protected]/message/MAWOVYLZKYDCQBLQEJCFAAD3KQTBPHXE/

https://lists.fedoraproject.org/archives/list/[email protected]/message/XBSSRV5Q7JFCYO46A3EN624UZ4KXFQ2M/

https://seclists.org/bugtraq/2019/Nov/8

https://simplesamlphp.org/security/201911-01

https://www.debian.org/security/2019/dsa-4560

Details

Source: MITRE

Published: 2019-11-07

Updated: 2019-11-15

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 6.5

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8

Severity: MEDIUM

CVSS v3.0

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH