Multiple vulnerabilities in Primavera Unifier



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-13990
CVE-2019-16943
CWE-ID CWE-611
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Primavera Unifier
Client/Desktop applications / Software for system administration

Vendor Oracle

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) XML External Entity injection

EUVDB-ID: #VU19595

Risk: Medium

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-13990

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct an XML External Entity (XXE) attack on a targeted system.

The vulnerability exists due to insufficient validation of user-supplied XML input in the "initDocumentParser" function in the "xml/XMLSchedulingDataProcessor.java" file. A remote authenticated attacker can submit a malicious job description to the targeted system and conduct an XXE attack.


Mitigation

Install update from vendor's website.

Vulnerable software versions

Primavera Unifier: 16.1 - 19.12

CPE2.3 External links

https://www.oracle.com/security-alerts/cpuapr2020.html?61749


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU21593

Risk: Medium

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-16943

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected application.

The vulnerability exists due to a Polymorphic Typing issue when processing JSON requests  within the com.p6spy.engine.spy.P6DataSource component. A remote attacker can send specially crafted JSON data to an RMI service endpoint and execute arbitrary code on he system.

Successful exploitation of the vulnerability requires that Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint, the service has has the p6spy (3.8.6) jar in the classpath, and an attacker can find an RMI service endpoint to send requests to.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Primavera Unifier: 16.1 - 19.12

CPE2.3 External links

https://www.oracle.com/security-alerts/cpuapr2020.html?61749


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.



###SIDEBAR###