CVE-2020-1992

Summary

A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.

Affected Software

VendorProductVersion RangeStatus
Palo Alto NetworksPAN-OS9.0 < 9.0.7affected
Palo Alto NetworksPAN-OS9.1 < 9.1.2affected
Palo Alto NetworksPAN-OS8.1.*unaffected
Palo Alto NetworksPAN-OS8.0.*unaffected
Palo Alto NetworksPAN-OS7.1.*unaffected

Weaknesses

  • CWE-134: CWE-134 Use of Externally-Controlled Format String

Workarounds

There are no viable workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References