Vulnerability identifier: #VU31447
Vulnerability risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
SimpleSAMLphp
Web applications /
Other software
Vendor: SimpleSAMLphp
Description
The vulnerability allows a local non-authenticated attacker to #BASIC_IMPACT#.
The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.
Mitigation
Install update from vendor's website.
Vulnerable software versions
SimpleSAMLphp: 1.14.0 - 1.14.10
External links
http://www.securityfocus.com/bid/94946
http://lists.debian.org/debian-lts-announce/2018/03/msg00001.html
http://simplesamlphp.org/security/201612-02
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.