CVE-2018-6969 Security Vulnerability & Exploit Details

CVE-2018-6969
Vulnerability Scoring

7.0

/10

High Risk

If left unpatched, CVE-2018-6969 could lead to major system disruptions or data loss.

Attack Complexity Details

Attack Complexity: High
Exploits require significant effort and special conditions.
Attack Vector: Local
Vulnerability requires local system access.
Privileges Required: Low
Some privileges are necessary to exploit the vulnerability.
Scope: Unchanged
Exploit remains within the originally vulnerable component.
User Interaction: None
No user interaction is necessary for exploitation.

CVE-2018-6969 Details

Status: Modified

Last updated: 🕓 21 Nov 2024, 04:11 UTC
Originally published on: 🕐 13 Jul 2018, 13:29 UTC

Time between publication and last update: 2322 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2018-6969 Vulnerability Summary

CVE-2018-6969: VMware Tools (10.x and prior before 10.3.0) contains an out-of-bounds read vulnerability in HGFS. Successful exploitation of this issue may lead to information disclosure or may allow attackers to escalate their privileges on the guest VMs. In order to be able to exploit this issue, file sharing must be enabled.

Assessing the Risk of CVE-2018-6969

Access Complexity Graph

The exploitability of CVE-2018-6969 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2018-6969

This vulnerability, CVE-2018-6969, requires a high level of attack complexity and low privileges, making it difficult but not impossible to exploit. Organizations should ensure robust security configurations to mitigate risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2018-6969, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2018-6969, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

Confidentiality: High
Exploiting CVE-2018-6969 can result in unauthorized access to sensitive data, severely compromising data privacy.
Integrity: High
CVE-2018-6969 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
Availability: High
CVE-2018-6969 can disrupt system operations, potentially causing complete denial of service (DoS).

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.052% (probability of exploit)

EPSS Percentile: 24.21% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 75.78999999999999% of others.

CVE-2018-6969 References

External References

CWE Common Weakness Enumeration

CWE-125

CAPEC Common Attack Pattern Enumeration and Classification

Overread Buffers CAPEC-540 An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

Vulnerable Configurations

cpe:2.3:a:vmware:tools:-:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:-:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.10559:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.10559:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.12031:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.12031:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.12548:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.12548:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.14166:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.14166:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.14664:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.14664:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.15040:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.15040:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.20911:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:3.1.2.20911:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.1.12458:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.1.12458:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.2.14744:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.2.14744:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.2.16474:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.2.16474:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.2.17586:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.2.17586:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.3.17828:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.3.17828:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.3.19531:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.3.19531:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.3.21653:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.3.21653:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.4.24748:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.0.4.24748:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.3.2.1593:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.3.2.1593:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.3.7.3827:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.3.7.3827:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.3.7.4937:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.3.7.4937:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.3.12.8191:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.3.12.8191:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:freebsd:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:freebsd:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:linux:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:linux:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:netware:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:netware:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:solaris:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:solaris:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:windows:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:windows:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:winpre2k:*:*:*
cpe:2.3:a:vmware:tools:8.4.6.16648:*:*:*:winpre2k:*:*:*
cpe:2.3:a:vmware:tools:8.6.0.6261:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.6.0.6261:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.7539:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.7539:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:freebsd:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:freebsd:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:linux:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:linux:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:netware:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:netware:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:solaris:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:solaris:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:windows:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:windows:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:winpre2k:*:*:*
cpe:2.3:a:vmware:tools:8.8.0.471780:*:*:*:winpre2k:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.9139:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.9139:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:freebsd:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:freebsd:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:linux:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:linux:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:netware:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:netware:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:solaris:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:solaris:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:windows:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:windows:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:winpre2k:*:*:*
cpe:2.3:a:vmware:tools:8.8.1.528992:*:*:*:winpre2k:*:*:*
cpe:2.3:a:vmware:tools:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.10:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.10:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.11:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.11:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.12:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.12:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.13:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.13:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.15:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.15:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.16:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.16:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.17:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.0.17:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.10:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.10:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.11:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.11:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.12:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.12:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.15:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.4.15:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.10.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.10.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.10.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.10.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.10.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:9.10.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.6:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.6:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.8:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.8:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.9:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.9:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.12:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.0.12:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.7:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.7:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.10:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.10:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.15:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.1.15:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.2.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.2.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.2.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:tools:10.2.5:*:*:*:*:*:*:*

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CVE-2018-6969 Vulnerability Scoring