Multiple vulnerabilities in Oracle SD-WAN Edge



Published: 2021-04-23 | Updated: 2022-04-21
Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-3900
CVE-2020-17527
CVE-2020-25649
CWE-ID CWE-835
CWE-399
CWE-611
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Oracle SD-WAN Edge
Server applications / Other server solutions

Vendor Oracle

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU19998

Risk: Low

CVSSv3.1: 3.1 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3900

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle SD-WAN Edge: 8.2

External links

http://www.oracle.com/security-alerts/cpuapr2021.html?534793


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource management error

EUVDB-ID: #VU48779

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-17527

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle SD-WAN Edge: 9.0

External links

http://www.oracle.com/security-alerts/cpuapr2021.html?534793


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) XML External Entity injection

EUVDB-ID: #VU48979

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-25649

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle SD-WAN Edge: 9.0

External links

http://www.oracle.com/security-alerts/cpuapr2021.html?534793


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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