Shibboleth Service Provider up to 3.2.1 Session Recovery null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Shibboleth Service Provider up to 3.2.1. Affected by this issue is some unknown functionality of the component Session Recovery Handler. The manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2021-31826. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Shibboleth Service Provider up to 3.2.1. It has been rated as problematic. This issue affects some unknown processing of the component Session Recovery Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was released 04/27/2021. It is possible to read the advisory at shibboleth.net. The identification of this vulnerability is CVE-2021-31826. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.2.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.shibboleth.net. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Service Provider 3.2.2
Patch: git.shibboleth.net

Timelineinfo

04/27/2021 🔍
04/27/2021 +0 days 🔍
04/27/2021 +0 days 🔍
05/02/2021 +5 days 🔍

Sourcesinfo

Advisory: shibboleth.net
Status: Confirmed

CVE: CVE-2021-31826 (🔍)
GCVE (CVE): GCVE-0-2021-31826
GCVE (VulDB): GCVE-100-174131

Entryinfo

Created: 04/27/2021 15:08
Updated: 05/02/2021 07:13
Changes: 04/27/2021 15:08 (39), 05/02/2021 07:13 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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