Encode Starlette Python Framework up to 0.24.x Form Field resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.65

Summaryinfo

A vulnerability was found in Encode Starlette Python Framework up to 0.24.x. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component Form Field Handler. This manipulation causes resource consumption. The identification of this vulnerability is CVE-2023-30798. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Encode Starlette Python Framework up to 0.24.x (Programming Language Software) and classified as problematic. Affected by this vulnerability is an unknown code block of the component Form Field Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

There MultipartParser usage in Encode's Starlette python framework before versions 0.25.0 allows an unauthenticated and remote attacker to specify any number of form fields or files which can cause excessive memory usage resulting in denial of service of the HTTP service.

The weakness was shared 04/21/2023 as GHSA-74m5-2c7w-9w3x. The advisory is shared at github.com. This vulnerability is known as CVE-2023-30798 since 04/18/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 0.25.0 eliminates this vulnerability. Applying the patch 8c74c2c8dba7030154f8af18e016136bea1938fa 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.

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Productinfo

Type

Vendor

Name

Version

License

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: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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: Starlette Python Framework 0.25.0
Patch: 8c74c2c8dba7030154f8af18e016136bea1938fa

Timelineinfo

04/18/2023 🔍
04/21/2023 +3 days 🔍
04/21/2023 +0 days 🔍
04/21/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSA-74m5-2c7w-9w3x
Status: Confirmed

CVE: CVE-2023-30798 (🔍)
GCVE (CVE): GCVE-0-2023-30798
GCVE (VulDB): GCVE-100-227029

Entryinfo

Created: 04/21/2023 18:55
Changes: 04/21/2023 18:55 (34), 04/21/2023 18:56 (20)
Complete: 🔍
Cache ID: 216::103

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