Vulnerability CVE-2017-12873

Vulnerability Name:

CVE-2017-12873 (CCN-131389)

Assigned:

2016-12-04

Published:

2016-12-04

Updated:

2019-10-03

Summary:

SimpleSAMLphp 1.7.0 through 1.14.10 might allow attackers to obtain sensitive information, gain unauthorized access, or have unspecified other impacts by leveraging incorrect persistent NameID generation when an Identity Provider (IdP) is misconfigured.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-384

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2017-12873

Source: XF
Type: UNKNOWN
simplesamlphp-cve201712873-info-disc(131389)

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/simplesamlphp/simplesamlphp/commit/90dca835158495b173808273e7df127303b8b953

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20171212 [SECURITY] [DLA 1205-1] simplesamlphp security update

Source: CCN
Type: SimpleSAMLphp Security Advisory: 201612-04
Incorrect persistent NameID generation Background

Source: CONFIRM
Type: Patch, Vendor Advisory
https://simplesamlphp.org/security/201612-04

Source: DEBIAN
Type: Third Party Advisory
DSA-4127

Vulnerable Configuration:

Configuration 1:

cpe:/a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:* (Version >= 1.7.0 and <= 1.14.10)

Configuration 2:

cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:simplesamlphp:simplesamlphp:1.14.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:2017128730000000	V	CVE-2017-12873 on Ubuntu 16.04 LTS (xenial) - medium.	2017-09-01
oval:com.ubuntu.artful:def:201712873000	V	CVE-2017-12873 on Ubuntu 17.10 (artful) - medium.	2017-09-01
oval:com.ubuntu.xenial:def:201712873000	V	CVE-2017-12873 on Ubuntu 16.04 LTS (xenial) - medium.	2017-09-01
oval:com.ubuntu.disco:def:2017128730000000	V	CVE-2017-12873 on Ubuntu 19.04 (disco) - medium.	2017-09-01
oval:com.ubuntu.bionic:def:201712873000	V	CVE-2017-12873 on Ubuntu 18.04 LTS (bionic) - medium.	2017-09-01
oval:com.ubuntu.cosmic:def:2017128730000000	V	CVE-2017-12873 on Ubuntu 18.10 (cosmic) - medium.	2017-09-01
oval:com.ubuntu.cosmic:def:201712873000	V	CVE-2017-12873 on Ubuntu 18.10 (cosmic) - medium.	2017-09-01
oval:com.ubuntu.bionic:def:2017128730000000	V	CVE-2017-12873 on Ubuntu 18.04 LTS (bionic) - medium.	2017-09-01
oval:com.ubuntu.trusty:def:201712873000	V	CVE-2017-12873 on Ubuntu 14.04 LTS (trusty) - medium.	2017-09-01

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