Palo Alto PAN-OS up to 7.1/8.0/8.1.12/9.0.6 Management Server stack-based overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in Palo Alto PAN-OS up to 7.1/8.0/8.1.12/9.0.6. Affected is an unknown function of the component Management Server. Performing a manipulation results in stack-based overflow. This vulnerability is reported as CVE-2020-2027. 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 7.1/8.0/8.1.12/9.0.6 (Firewall Software). It has been classified as critical. This affects an unknown functionality of the component Management Server. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow vulnerability in the authd component of the PAN-OS management server allows authenticated administrators to disrupt system processes and potentially execute arbitrary code with root privileges. This issue affects: All versions of PAN-OS 7.1 and PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.13; PAN-OS 9.0 versions earlier than PAN-OS 9.0.7.

The weakness was disclosed 06/10/2020. This vulnerability is uniquely identified as CVE-2020-2027 since 12/04/2019. It is possible to initiate the attack remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 8.1.13 or 9.0.7 eliminates this vulnerability.

The entries VDB-156509 and VDB-156508 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• Palo Alto

Name

• PAN-OS

Version

• 7.0
• 7.1
• 8.0
• 8.1.0
• 8.1.1
• 8.1.2
• 8.1.3
• 8.1.4
• 8.1.5
• 8.1.6
• 8.1.7
• 8.1.8
• 8.1.9
• 8.1.10
• 8.1.11
• 8.1.12
• 9.0.0
• 9.0.1
• 9.0.2
• 9.0.3
• 9.0.4
• 9.0.5
• 9.0.6

License

• commercial

Website

• Vendor: https://www.paloaltonetworks.com/

CPE 2.3info

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CPE 2.2info

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