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CVE-2022-0011— PAN-OS: URL Category Exceptions Match More URLs Than Intended in URL Filtering

Quick assessment

Affected
Palo Alto Networks PAN-OS
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.

Palo Alto Networks PAN-OS是美国Palo Alto Networks公司的一套为其防火墙设备开发的操作系统。 Palo Alto Networks PAN-OS software 存在安全漏洞，该漏洞可能会无意中允许或阻止比预期更多的 URL，并且允许比预期更多的 URL 会带来安全风险。

CVSS 6.5 · Medium EPSS 0.66% · P50
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I. Basic Information for CVE-2022-0011

Vulnerability Information
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Vulnerability Title
PAN-OS: URL Category Exceptions Match More URLs Than Intended in URL Filtering
Source: CVE Program / CVE List V5
Vulnerability Description
PAN-OS software provides options to exclude specific websites from URL category enforcement and those websites are blocked or allowed (depending on your rules) regardless of their associated URL category. This is done by creating a custom URL category list or by using an external dynamic list (EDL) in a URL Filtering profile. When the entries in these lists have a hostname pattern that does not end with a forward slash (/) or a hostname pattern that ends with an asterisk (*), any URL that starts with the specified pattern is considered a match. Entries with a caret (^) at the end of a hostname pattern match any top level domain. This may inadvertently allow or block more URLs than intended and allowing more URLs than intended represents a security risk. For example: example.com will match example.com.website.test example.com.* will match example.com.website.test example.com.^ will match example.com.test You should take special care when using such entries in policy rules that allow traffic. Where possible, use the exact list of hostname names ending with a forward slash (/) instead of using wildcards. PAN-OS 10.1 versions earlier than PAN-OS 10.1.3; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8; PAN-OS 9.1 versions earlier than PAN-OS 9.1.12; all PAN-OS 9.0 versions; PAN-OS 8.1 versions earlier than PAN-OS 8.1.21, and Prisma Access 2.2 and 2.1 versions do not allow customers to change this behavior without changing the URL category list or EDL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
解释冲突
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks PAN-OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks PAN-OS是美国Palo Alto Networks公司的一套为其防火墙设备开发的操作系统。 Palo Alto Networks PAN-OS software 存在安全漏洞，该漏洞可能会无意中允许或阻止比预期更多的 URL，并且允许比预期更多的 URL 会带来安全风险。
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
Palo Alto Networks PAN-OS 9.0.* -
Palo Alto Networks Prisma Access 3.0 Preferred, Innovation -

II. Public POCs for CVE-2022-0011

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III. Intelligence Information for CVE-2022-0011

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Vendor Advisories for CVE-2022-0011 (1)

Same Patch Batch · Palo Alto Networks · 2022-02-10 · 7 CVEs total

CVE-2022-0016 7.4 HIGH GlobalProtect App: Privilege Escalation Vulnerability When Using Connect Before Logon
CVE-2022-0017 7.0 HIGH GlobalProtect App: Improper Link Resolution Vulnerability Leads to Local Privilege Escalat
CVE-2022-0020 6.8 MEDIUM Cortex XSOAR: Stored Cross-Site Scripting (XSS) Vulnerability in Web Interface
CVE-2022-0018 6.1 MEDIUM GlobalProtect App: Information Exposure Vulnerability When Connecting to GlobalProtect Por
CVE-2022-0019 4.7 MEDIUM GlobalProtect App: Insufficiently Protected Credentials Vulnerability on Linux
CVE-2022-0021 3.3 LOW GlobalProtect App: Information Exposure Vulnerability When Using Connect Before Logon

IV. Related Vulnerabilities

Same product: PAN-OS
Same vendor: Palo Alto Networks
Same weakness: CWE-436

V. Comments for CVE-2022-0011

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