OpenFGA up to 1.1.0 Check/ListObjects infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in OpenFGA up to 1.1.0. Affected by this issue is the function Check/ListObjects. The manipulation leads to infinite loop. This vulnerability is traded as CVE-2023-35933. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OpenFGA up to 1.1.0. This issue affects the function Check/ListObjects. The manipulation with an unknown input leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability. The summary by CVE is:

OPenFGA is an open source authorization/permission engine built for developers. OpenFGA versions v1.1.0 and prior are vulnerable to a DoS attack when Check and ListObjects calls are executed against authorization models that contain circular relationship definitions. Users are affected by this vulnerability if they are using OpenFGA v1.1.0 or earlier, and if you are executing `Check` or `ListObjects` calls against a vulnerable authorization model. Users are advised to upgrade to version 1.1.1. There are no known workarounds for this vulnerability. Users that do not have circular relationships in their models are not affected.

The weakness was shared 06/27/2023 as GHSA-hr9r-8phq-5x8j. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-35933 since 06/20/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 1.1.1 eliminates this vulnerability. Applying the patch 087ce392595f3c319ab3028b5089118ea4063452 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
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: OpenFGA 1.1.1
Patch: 087ce392595f3c319ab3028b5089118ea4063452

Timelineinfo

06/20/2023 🔍
06/27/2023 +7 days 🔍
06/27/2023 +0 days 🔍
07/18/2023 +21 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-hr9r-8phq-5x8j
Status: Confirmed

CVE: CVE-2023-35933 (🔍)
GCVE (CVE): GCVE-0-2023-35933
GCVE (VulDB): GCVE-100-232409

Entryinfo

Created: 06/27/2023 07:33
Updated: 07/18/2023 20:07
Changes: 06/27/2023 07:33 (52), 07/18/2023 20:07 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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