First published: Sat 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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
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 |
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CVE-2017-7945 has been rated as a medium severity vulnerability.
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.
CVE-2017-7945 is caused by the GlobalProtect external interface providing different error messages for failed login attempts based on username existence.
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.
Yes, CVE-2017-7945 can be exploited by attackers to enumerate valid account usernames based on different error messages.