QOS.ch SLF4J up to 1.8.0-beta1 slf4j-ext deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability has been found in QOS.ch SLF4J up to 1.8.0-beta1 and classified as critical. This vulnerability affects an unknown code block of the component slf4j-ext. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

org.slf4j.ext.EventData in the slf4j-ext module in QOS.CH SLF4J before 1.8.0-beta2 allows remote attackers to bypass intended access restrictions via crafted data.

The bug was discovered 03/14/2018. The weakness was released 03/20/2018 (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2018-8088 since 03/13/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109906 (RHEL 6 : JBoss EAP (RHSA-2018:1449)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236749 (Red Hat Update for jboss-ec2-eap package for EAP 7.1.2(RHSA-2018:1249)).

Upgrading to version 1.8.0-beta2 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109906). Entries connected to this vulnerability are available at 113845, 116627, 116629 and 116628.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109906
Nessus Name: RHEL 6 : JBoss EAP (RHSA-2018:1449)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 840927
OpenVAS Name: Fedora Update for slf4j FEDORA-2018-a4353f97db
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: SLF4J 1.8.0-beta2
Patch: github.com

Timelineinfo

02/22/2018 🔍
03/13/2018 +19 days 🔍
03/14/2018 +1 days 🔍
03/20/2018 +6 days 🔍
03/20/2018 +0 days 🔍
03/21/2018 +1 days 🔍
05/14/2018 +54 days 🔍
05/18/2018 +4 days 🔍
02/22/2023 +1741 days 🔍

Sourcesinfo

Advisory: RHSA-2018:1449⛔
Researcher: Chris McCown
Status: Not defined

CVE: CVE-2018-8088 (🔍)
SecurityTracker: 1040627
SecurityFocus: 103737 - SLF4J 'EventData' Constructor Remote Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 03/21/2018 07:35
Updated: 02/22/2023 13:11
Changes: 03/21/2018 07:35 (76), 01/15/2020 10:38 (4), 02/05/2021 15:39 (2), 02/05/2021 15:45 (1), 02/22/2023 13:05 (4), 02/22/2023 13:11 (1)
Complete: 🔍

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