LightSAML up to 1.3.4 Signature Validation XmlDSig access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in LightSAML up to 1.3.4. This impacts an unknown function of the file src/LightSaml/Model/XmlDSig/ of the component Signature Validation. Performing a manipulation results in access control. This vulnerability is known as CVE-2018-1000165. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in LightSAML up to 1.3.4. It has been classified as critical. This affects an unknown functionality of the file src/LightSaml/Model/XmlDSig/ of the component Signature Validation. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

LightSAML version prior to 1.3.5 contains a Incorrect Access Control vulnerability in signature validation in readers in src/LightSaml/Model/XmlDSig/ that can result in impersonation of any user from Identity Provider. This vulnerability appears to have been fixed in 1.3.5 and later.

The bug was discovered 03/06/2017. The weakness was published 04/18/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-1000165 since 04/18/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 408 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.3.5 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: LightSAML 1.3.5
Patch: github.com

Timelineinfo

03/06/2017 🔍
04/18/2018 +407 days 🔍
04/18/2018 +0 days 🔍
04/18/2018 +0 days 🔍
04/19/2018 +1 days 🔍
02/28/2023 +1776 days 🔍

Sourcesinfo

Product: github.com

Advisory: 47cef07bb09779df15620799f3763d1b8d32307a
Status: Not defined

CVE: CVE-2018-1000165 (🔍)
GCVE (CVE): GCVE-0-2018-1000165
GCVE (VulDB): GCVE-100-116565

Entryinfo

Created: 04/19/2018 23:01
Updated: 02/28/2023 13:16
Changes: 04/19/2018 23:01 (58), 01/27/2020 16:45 (1), 02/28/2023 13:16 (6)
Complete: 🔍
Cache ID: 216::103

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