#VU11301 Improper access control in slf4j - CVE-2018-8088

Vulnerability identifier: #VU11301

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-8088

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
slf4j
Universal components / Libraries / Libraries used by multiple products

Vendor: Quality Open Software

Description
The vulnerability allows a remote unauthenticated attacker to bypass access restrictions on the target system.

The weakness exists in the org.slf4j.ext.EventData class due to improper security restrictions. A remote attacker can send specially crafted input, bypass access restrictions and gain unauthorized access to perform further attacks.

Mitigation
Update to version 1.8.0-beta2.

Vulnerable software versions

slf4j: 1.3.0 - 1.7.25

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External links
https://jira.qos.ch/browse/SLF4J-430
https://jira.qos.ch/browse/SLF4J-431

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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.