Active Job 4.2.0 Access Control GlobalId input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability has been found in Active Job 4.2.0 and classified as critical. This vulnerability affects an unknown part of the component Access Control. The manipulation of the argument GlobalId with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A Broken Access Control vulnerability in Active Job versions >= 4.2.0 allows an attacker to craft user input which can cause Active Job to deserialize it using GlobalId and give them access to information that they should not have.

The bug was discovered 11/27/2018. The weakness was shared 11/30/2018 (Website). The advisory is available at groups.google.com. This vulnerability was named CVE-2018-16476 since 09/04/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119317 (FreeBSD : Rails -- Active Job vulnerability (f96044a2-7df9-414b-9f6b-6e5b85d06c86)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277633 (Fedora Security Update for rubygem-activejob (FEDORA-2019-d0af506401)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119317).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 119317
Nessus Name: FreeBSD : Rails -- Active Job vulnerability (f96044a2-7df9-414b-9f6b-6e5b85d06c86)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

09/04/2018 🔍
11/27/2018 +84 days 🔍
11/30/2018 +3 days 🔍
11/30/2018 +0 days 🔍
12/01/2018 +1 days 🔍
12/02/2018 +1 days 🔍
12/03/2018 +1 days 🔍
06/12/2023 +1652 days 🔍

Sourcesinfo

Advisory: RHSA-2019:0600
Status: Not defined

CVE: CVE-2018-16476 (🔍)

Entryinfo

Created: 12/01/2018 20:20
Updated: 06/12/2023 12:11
Changes: 12/01/2018 20:20 (70), 04/16/2020 15:42 (3), 06/12/2023 12:11 (4)
Complete: 🔍

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