Palo Alto PAN-OS up to 8.0.6 Captive Portal Config cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Palo Alto PAN-OS up to 8.0.6. This affects an unknown part of the component Captive Portal. The manipulation as part of Config leads to cross site scripting. This vulnerability is uniquely identified as CVE-2017-16878. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Palo Alto PAN-OS up to 8.0.6 (Firewall Software). It has been rated as problematic. This issue affects an unknown functionality of the component Captive Portal. The manipulation as part of a Config leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in the Captive Portal function in Palo Alto Networks PAN-OS before 8.0.7 allows remote attackers to inject arbitrary web script or HTML by leveraging an unspecified configuration.

The bug was discovered 01/02/2018. The weakness was disclosed 01/10/2018 (Website). It is possible to read the advisory at securityadvisories.paloaltonetworks.com. The identification of this vulnerability is CVE-2017-16878 since 11/17/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106143 (Palo Alto Networks PAN-OS 7.1.x < 7.1.15 / 8.0.x < 8.0.7 Multiple Vulnerabilities (ROBOT)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Palo Alto Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13324 (Palo Alto Networks Cross Site Scripting Vulnerability (PAN-SA-2017-0031)).

Upgrading to version 8.0.7 eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106143). The entries VDB-111704 and VDB-111710 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106143
Nessus Name: Palo Alto Networks PAN-OS 7.1.x < 7.1.15 / 8.0.x < 8.0.7 Multiple Vulnerabilities (ROBOT)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PAN-OS 8.0.7

Timelineinfo

11/17/2017 🔍
01/02/2018 +46 days 🔍
01/10/2018 +8 days 🔍
01/10/2018 +0 days 🔍
01/11/2018 +1 days 🔍
01/17/2018 +6 days 🔍
01/18/2018 +1 days 🔍
01/20/2023 +1828 days 🔍

Sourcesinfo

Vendor: paloaltonetworks.com

Advisory: securityadvisories.paloaltonetworks.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16878 (🔍)
GCVE (CVE): GCVE-0-2017-16878
GCVE (VulDB): GCVE-100-111707
SecurityFocus: 102446
SecurityTracker: 1040148

See also: 🔍

Entryinfo

Created: 01/11/2018 16:26
Updated: 01/20/2023 14:20
Changes: 01/11/2018 16:26 (72), 12/22/2019 08:37 (3), 01/29/2021 17:42 (2), 01/20/2023 14:20 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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