Multiple vulnerabilities in Middleware Common Libraries and Tools
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-37714 CVE-2021-23926 CVE-2021-42575 |
| CWE-ID | CWE-835 CWE-776 CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Middleware Common Libraries and Tools Server applications / Other server solutions |
| Vendor | Oracle |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Infinite loop
EUVDB-ID: #VU58176
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37714
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when processing untrusted HTML and XML code. A remote attacker can consume all available system resources and cause denial of service conditions.
MitigationInstall update from vendor's website.
Vulnerable software versionsMiddleware Common Libraries and Tools: 12.2.1.3.0 - 12.2.1.4.0
External linkshttp://www.oracle.com/security-alerts/cpujul2022.html?952644
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.
2) XML Entity Expansion
EUVDB-ID: #VU49517
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23926
CWE-ID:
CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation when processing XML data. A remote attacker can pass specially crafted XML data to the application and perform XML Entity Expansion attacks.
Install update from vendor's website.
Vulnerable software versionsMiddleware Common Libraries and Tools: 12.2.1.3.0 - 12.2.1.4.0
External linkshttp://www.oracle.com/security-alerts/cpujul2022.html?952644
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) Improper input validation
EUVDB-ID: #VU59936
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42575
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Platform, Data Persistence (OWASP Java HTML Sanitizer) component in Primavera Unifier. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
MitigationInstall update from vendor's website.
Vulnerable software versionsMiddleware Common Libraries and Tools: 12.2.1.3.0 - 12.2.1.4.0
External linkshttp://www.oracle.com/security-alerts/cpujul2022.html?952644
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.
