Zendesk Samlr up to 2.6.1 XML Node name_id input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Zendesk Samlr up to 2.6.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the component XML Node Handler. Such manipulation of the argument name_id with the input [email protected]<!----> as part of Comment leads to input validation. This vulnerability is uniquely identified as CVE-2018-20857. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zendesk Samlr up to 2.6.1. It has been rated as critical. Affected by this issue is an unknown code of the component XML Node Handler. The manipulation of the argument name_id with the input value [email protected]<!----> leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is integrity. CVE summarizes:

Zendesk Samlr before 2.6.2 allows an XML nodes comment attack such as a name_id node with [email protected] followed by <!---->. and then the attacker's domain name.

The weakness was disclosed 07/26/2019. This vulnerability is handled as CVE-2018-20857 since 07/26/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 2.6.2 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Input validation
CWE: CWE-20
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: Samlr 2.6.2

Timelineinfo

07/26/2019 🔍
07/26/2019 +0 days 🔍
07/26/2019 +0 days 🔍
11/13/2023 +1571 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2018-20857 (🔍)
GCVE (CVE): GCVE-0-2018-20857
GCVE (VulDB): GCVE-100-138842

Entryinfo

Created: 07/26/2019 18:00
Updated: 11/13/2023 09:04
Changes: 07/26/2019 18:00 (40), 07/13/2020 14:48 (17), 11/13/2023 09:04 (4)
Complete: 🔍
Cache ID: 216::103

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