Minio S3 Server allocation of file descriptors or handles without limits or throttling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Minio S3 Server. This impacts an unknown function. This manipulation causes allocation of file descriptors or handles without limits or throttling. This vulnerability appears as CVE-2018-1000538. The attack may be initiated remotely. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic was found in Minio S3 Server (affected version unknown). Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a allocation of file descriptors or handles without limits or throttling vulnerability. The CWE definition for the vulnerability is CWE-774. The product allocates file descriptors or handles on behalf of an actor without imposing any restrictions on how many descriptors can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. The summary by CVE is:

Minio Inc. Minio S3 server version prior to RELEASE.2018-05-16T23-35-33Z contains a Allocation of Memory Without Limits or Throttling (similar to CWE-774) vulnerability in write-to-RAM that can result in Denial of Service. This attack appear to be exploitable via Sending V4-(pre)signed requests with large bodies . This vulnerability appears to have been fixed in after commit 9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7.

The bug was discovered 05/18/2018. The weakness was presented 06/26/2018 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2018-1000538 since 06/22/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 39 days. During that time the estimated underground price was around $0-$5k.

Applying the patch 9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7 is able to eliminate this problem.

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

Productinfo

Vendor

Name

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Allocation of file descriptors or handles without limits or throttling
CWE: CWE-774
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7

Timelineinfo

05/18/2018 🔍
06/22/2018 +35 days 🔍
06/26/2018 +3 days 🔍
06/26/2018 +0 days 🔍
06/27/2018 +1 days 🔍
03/29/2023 +1736 days 🔍

Sourcesinfo

Advisory: 9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7
Status: Not defined

CVE: CVE-2018-1000538 (🔍)
GCVE (CVE): GCVE-0-2018-1000538
GCVE (VulDB): GCVE-100-119953

Entryinfo

Created: 06/27/2018 10:05
Updated: 03/29/2023 08:00
Changes: 06/27/2018 10:05 (56), 02/22/2020 13:47 (1), 03/29/2023 08:00 (5)
Complete: 🔍
Cache ID: 216::103

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

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