VDB-164030 · CVE-2020-27978 · GCVE-0-2020-27978

Shibboleth Identify Provider up to 3.4.5 Login Flow denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Shibboleth Identify Provider up to 3.4.5. It has been declared as problematic. This impacts an unknown function of the component Login Flow Handler. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2020-27978. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Shibboleth Identify Provider up to 3.4.5 and classified as problematic. Affected by this issue is some unknown processing of the component Login Flow Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was published 10/28/2020. The advisory is available at shibboleth.net. This vulnerability is handled as CVE-2020-27978. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 3.4.6 eliminates this vulnerability.

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Productinfo

Vendor

Shibboleth

Name

Identify Provider

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Identify Provider 3.4.6

Timelineinfo

10/28/2020 🔍
10/28/2020 +0 days 🔍
10/28/2020 +0 days 🔍
11/30/2020 +33 days 🔍

Sourcesinfo

Advisory: shibboleth.net
Status: Confirmed

CVE: CVE-2020-27978 (🔍)
GCVE (CVE): GCVE-0-2020-27978
GCVE (VulDB): GCVE-100-164030

Entryinfo

Created: 10/28/2020 19:51
Updated: 11/30/2020 01:19
Changes: 10/28/2020 19:51 (38), 11/30/2020 01:15 (2), 11/30/2020 01:19 (18)
Complete: 🔍
Cache ID: 216::103