CVE-2017-7945: Critical severity palo alto networks pan-os vulnerability

Published Apr 29, 2017
·
Updated

The GlobalProtect external interface in Palo Alto Networks PAN-OS before 6.1.17, 7.x before 7.0.15, 7.1.x before 7.1.9, and 8.x before 8.0.2 provides different error messages for failed login attempts depending on whether the username exists, which allows remote attackers to enumerate account names and conduct brute-force attacks via a series of requests, aka PAN-SA-2017-0014 and PAN-72769.

Affected Software

29 affected components
Palo Alto Networks PAN-OS<=6.1.15
Palo Alto Networks PAN-OS=7.0.0
Palo Alto Networks PAN-OS=7.0.1
Palo Alto Networks PAN-OS=7.0.2
Palo Alto Networks PAN-OS=7.0.3
Palo Alto Networks PAN-OS=7.0.4
Palo Alto Networks PAN-OS=7.0.5
Palo Alto Networks PAN-OS=7.0.5-h2
Palo Alto Networks PAN-OS=7.0.6
Palo Alto Networks PAN-OS=7.0.7
Palo Alto Networks PAN-OS=7.0.8
Palo Alto Networks PAN-OS=7.0.9
Palo Alto Networks PAN-OS=7.0.10
Palo Alto Networks PAN-OS=7.0.11
Palo Alto Networks PAN-OS=7.0.12
Palo Alto Networks PAN-OS=7.0.13
Palo Alto Networks PAN-OS=7.0.14
Palo Alto Networks PAN-OS=7.1.0
Palo Alto Networks PAN-OS=7.1.1
Palo Alto Networks PAN-OS=7.1.2
Palo Alto Networks PAN-OS=7.1.3
Palo Alto Networks PAN-OS=7.1.4
Palo Alto Networks PAN-OS=7.1.4-h2
Palo Alto Networks PAN-OS=7.1.5
Palo Alto Networks PAN-OS=7.1.6
Palo Alto Networks PAN-OS=7.1.7
Palo Alto Networks PAN-OS=7.1.8
Palo Alto Networks PAN-OS=8.0.0
Palo Alto Networks PAN-OS=8.0.1

Event History

Apr 29, 2017
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2017-7945?

CVE-2017-7945 has been rated as a medium severity vulnerability.

2

How do I fix CVE-2017-7945?

To fix CVE-2017-7945, upgrade your Palo Alto Networks PAN-OS to version 6.1.17, 7.0.15, 7.1.9, or 8.0.2 or later.

3

What causes CVE-2017-7945?

CVE-2017-7945 is caused by the GlobalProtect external interface providing different error messages for failed login attempts based on username existence.

4

Which versions of PAN-OS are affected by CVE-2017-7945?

CVE-2017-7945 affects PAN-OS versions prior to 6.1.17, all versions of 7.x before 7.0.15, 7.1.x before 7.1.9, and 8.x before 8.0.2.

5

Can CVE-2017-7945 be exploited for account enumeration?

Yes, CVE-2017-7945 can be exploited by attackers to enumerate valid account usernames based on different error messages.

Contact

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