CVE-2018-11798 Vulnerability Analysis & Exploit Details

CVE-2018-11798
Vulnerability Scoring

6.5
/10
High Risk

If left unpatched, CVE-2018-11798 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical 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-2018-11798 Details

Status: Modified

Last updated: 🕞 21 Nov 2024, 03:44 UTC
Originally published on: 🕔 07 Jan 2019, 17:29 UTC

Time between publication and last update: 2144 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2018-11798 Vulnerability Summary

CVE-2018-11798: The Apache Thrift Node.js static web server in versions 0.9.2 through 0.11.0 have been determined to contain a security vulnerability in which a remote user has the ability to access files outside the set webservers docroot path.

Assessing the Risk of CVE-2018-11798

Access Complexity Graph

The exploitability of CVE-2018-11798 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-2018-11798

CVE-2018-11798 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation 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-2018-11798, 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-2018-11798, 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-2018-11798 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2018-11798 poses no threat to data integrity.
  • Availability: None
    CVE-2018-11798 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

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

EPSS Score: 0.218% (probability of exploit)

EPSS Percentile: 60.39% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 39.61% of others.

CVE-2018-11798 References

External References

CWE Common Weakness Enumeration

CWE-538

CAPEC Common Attack Pattern Enumeration and Classification

  • WSDL Scanning CAPEC-95 This attack targets the WSDL interface made available by a web service. The attacker may scan the WSDL interface to reveal sensitive information about invocation patterns, underlying technology implementations and associated vulnerabilities. This type of probing is carried out to perform more serious attacks (e.g. parameter tampering, malicious content injection, command injection, etc.). WSDL files provide detailed information about the services ports and bindings available to consumers. For instance, the attacker can submit special characters or malicious content to the Web service and can cause a denial of service condition or illegal access to database records. In addition, the attacker may try to guess other private methods by using the information provided in the WSDL files.

Vulnerable Configurations

  • cpe:2.3:a:apache:thrift:0.9.2:*:*:*:*:node.js:*:*
    cpe:2.3:a:apache:thrift:0.9.2:*:*:*:*:node.js:*:*
  • cpe:2.3:a:apache:thrift:0.9.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:thrift:0.9.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:thrift:0.9.3:*:*:*:*:node.js:*:*
    cpe:2.3:a:apache:thrift:0.9.3:*:*:*:*:node.js:*:*
  • cpe:2.3:a:apache:thrift:0.9.3:*:*:*:*:*:*:*
    cpe:2.3:a:apache:thrift:0.9.3:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:thrift:0.9.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:apache:thrift:0.9.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:thrift:0.10.0:*:*:*:*:node.js:*:*
    cpe:2.3:a:apache:thrift:0.10.0:*:*:*:*:node.js:*:*
  • cpe:2.3:a:apache:thrift:0.10.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:thrift:0.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:thrift:0.11.0:*:*:*:*:node.js:*:*
    cpe:2.3:a:apache:thrift:0.11.0:*:*:*:*:node.js:*:*
  • cpe:2.3:a:apache:thrift:0.11.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:thrift:0.11.0:*:*:*:*:*:*:*

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