SimpleSAMLphp up to 1.14.14 SimpleSAML_Auth_TimeLimitedToken access control

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

A vulnerability has been found in SimpleSAMLphp up to 1.14.14 and classified as critical. This vulnerability affects the function SimpleSAML_Auth_TimeLimitedToken. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The SimpleSAML_Auth_TimeLimitedToken class in SimpleSAMLphp 1.14.14 and earlier allows attackers with access to a secret token to extend its validity period by manipulating the prepended time offset.

The bug was discovered 08/01/2017. The weakness was released 08/29/2017 (Website). The advisory is shared for download at simplesamlphp.org. This vulnerability was named CVE-2017-12867 since 08/15/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105193 (Debian DLA-1205-1 : simplesamlphp security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176309 (Debian Security Update for simplesamlphp (DSA 4127-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (105193).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 105193
Nessus Name: Debian DLA-1205-1 : simplesamlphp security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802334
OpenVAS Name: Debian Security Advisory DSA 4127-1 (simplesamlphp - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

08/01/2017 🔍
08/15/2017 +14 days 🔍
08/29/2017 +14 days 🔍
08/29/2017 +0 days 🔍
08/30/2017 +1 days 🔍
12/12/2017 +104 days 🔍
12/13/2017 +1 days 🔍
12/27/2022 +1840 days 🔍

Sourcesinfo

Advisory: DLA 1205-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12867 (🔍)
OVAL: 🔍

Entryinfo

Created: 08/30/2017 08:52 AM
Updated: 12/27/2022 07:53 AM
Changes: 08/30/2017 08:52 AM (66), 11/11/2019 03:54 PM (10), 12/27/2022 07:53 AM (4)
Complete: 🔍
Cache ID: 44:C9E:40

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