Multiple vulnerabilities in TIBCO Rendezvous



Published: 2021-03-23
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-28817
CVE-2021-28818
CWE-ID CWE-276
CWE-428
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Rendezvous
Server applications / Other server solutions

Vendor TIBCO

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Incorrect default permissions

EUVDB-ID: #VU51669

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28817

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user with access to the system can view contents of files and directories or modify them.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Rendezvous: 8.0.0 - 8.5.1

External links

http://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-rendezvous-2021-28817


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Unquoted Search Path or Element

EUVDB-ID: #VU51670

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28818

CWE-ID: CWE-428 - Unquoted Search Path or Element

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

the vulnerability exists due to the application is searching for run-time artifacts outside of the installation hierarchy. A local user can place a specially crafted file on the system and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Rendezvous: 8.0.0 - 8.5.1

External links

http://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-rendezvous-2021-28818


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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