SB2021042311 - Multiple vulnerabilities in Oracle SD-WAN Edge

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Main Vulnerability Database SB2021042311

SB2021042311 - Multiple vulnerabilities in Oracle SD-WAN Edge

Published: April 23, 2021 Updated: April 21, 2022

Security Bulletin ID SB2021042311
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Infinite loop (CVE-ID: CVE-2019-3900)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in vhost_net kernel module when processing incoming packets in handle_rx(). A remote attacker with access to guest operating system can stall the vhost_net kernel thread and cause denial of service conditions.


2) Resource management error (CVE-ID: CVE-2020-17527)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper management of internal resources within the application when processing HTTP/2 requests in Apache Tomcat. The web server can re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. As a result a remote attacker can obtain sensitive information from another HTTP request.


3) XML External Entity injection (CVE-ID: CVE-2020-25649)

The vulnerability allows a remote attacker to modify information on the system.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and modify information on the system.


Remediation

Install update from vendor's website.

References