Palo Alto Networks Security Advisories / PAN-SA-2020-0006

PAN-SA-2020-0006 PAN-OS: Nginx software upgraded to resolve multiple vulnerabilities

047910
Severity 7.5 · HIGH
Attack Vector NETWORK
Attack Complexity LOW
Privileges Required NONE
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact NONE
Integrity Impact NONE
Availability Impact HIGH

Description

Nginx software included with PAN-OS has been upgraded to resolve multiple vulnerabilities.

This issue affects:

All PAN-OS 7.1 and 8.0 versions;

PAN-OS 8.1 versions earlier than 8.1.14;

PAN-OS 9.0 versions earlier than 9.0.7.

The resolved vulnerabilities include:

CVECVSSSummary
CVE-2016-44507.5 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a crafted request, involving writing a client request body to a temporary file.
CVE-2013-03377.5 AV:N/AC:L/Au:N/C:P/I:P/A:PThe default configuration of nginx, possibly 1.3.13 and earlier, uses world-readable permissions for the (1) access.log and (2) error.log files, which allows local users to obtain sensitive information by reading the files.

Product Status

PAN-OS

VersionsAffectedUnaffected
9.0< 9.0.7>= 9.0.7
8.1< 8.1.14>= 8.1.14
8.08.0.*
7.17.1.*

Severity: HIGH

CVSSv3.1 Base Score: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Solution

These issues are fixed in PAN-OS 8.1.14, PAN-OS 9.0.7, and all later PAN-OS versions.

PAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies.

PAN-OS 7.1 is on extended support until June 30, 2020, and is only being considered for critical security vulnerability fixes.

Workarounds and Mitigations

Issues that affect the management interface of PAN-OS are strongly mitigated by following best practices for securing the PAN-OS management interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at: https://docs.paloaltonetworks.com.

Timeline

Initial publication
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