CVE-2022-4818 Vulnerability Analysis & Exploit Details

CVE-2022-4818
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2022-4818 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Adjacent_network
    Attack Vector Under Analysis
  • 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-2022-4818 Details

Status: Modified

Last updated: 🕢 21 Nov 2024, 07:36 UTC
Originally published on: 🕘 28 Dec 2022, 21:15 UTC

Time between publication and last update: 693 days

CVSS Release: version 3

CVSS3 Source

cna@vuldb.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVE-2022-4818 Vulnerability Summary

CVE-2022-4818: A vulnerability was found in Talend Open Studio for MDM. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file org.talend.mdm.core/src/com/amalto/core/storage/SystemStorageWrapper.java. The manipulation leads to xml external entity reference. Upgrading to version 20221220_1938 is able to address this issue. The name of the patch is 95590db2ad6a582c371273ceab1a73ad6ed47853. It is recommended to upgrade the affected component. The identifier VDB-216997 was assigned to this vulnerability.

Assessing the Risk of CVE-2022-4818

Access Complexity Graph

The exploitability of CVE-2022-4818 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-2022-4818

CVE-2022-4818 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-2022-4818, 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-2022-4818, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2022-4818 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: Low
    Exploiting CVE-2022-4818 may cause minor changes to data without severely impacting its accuracy.
  • Availability: Low
    CVE-2022-4818 may slightly degrade system performance without fully affecting service availability.

Exploit Prediction Scoring System (EPSS)

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

EPSS Score: 0.095% (probability of exploit)

EPSS Percentile: 42.33% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 57.67% of others.

CVE-2022-4818 References

External References

CWE Common Weakness Enumeration

CWE-611

CAPEC Common Attack Pattern Enumeration and Classification

  • Data Serialization External Entities Blowup CAPEC-221 This attack takes advantage of the entity replacement property of certain data serialization languages (e.g., XML, YAML, etc.) where the value of the replacement is a URI. A well-crafted file could have the entity refer to a URI that consumes a large amount of resources to create a denial of service condition. This can cause the system to either freeze, crash, or execute arbitrary code depending on the URI.

Protect Your Infrastructure against CVE-2022-4818: Combat Critical CVE Threats

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