Privilege escalation in jcomments component for Joomla!



Published: 2018-08-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		jcomments
Client/Desktop applications / Other client software

Vendor Joomla!

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU14425

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: N/A

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.


The weakness exists due to inadequate input validation of object_group parameter. A local attacker can gain elevated privileges and include arbitrary local file.

Mitigation

Update to version 3.0.6.

Vulnerable software versions

jcomments: before 3.0.6

External links

http://vel.joomla.org/resolved/2182-jcomments-input-validation


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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