CVE-2017-5535 Vulnerability Analysis & Exploit Details

CVE-2017-5535
Vulnerability Scoring

6.8
/10
High Risk

If left unpatched, CVE-2017-5535 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: High
    Exploits require significant effort and special conditions.
  • Attack Vector: Adjacent_network
    Attack Vector Under Analysis
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2017-5535 Details

Status: Modified

Last updated: 🕒 21 Nov 2024, 03:27 UTC
Originally published on: 🕕 01 May 2018, 18:29 UTC

Time between publication and last update: 2395 days

CVSS Release: version 3

CVSS3 Source

security@tibco.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2017-5535 Vulnerability Summary

CVE-2017-5535: The GridServer Broker, GridServer Driver, and GridServer Engine components of TIBCO Software Inc. TIBCO DataSynapse GridServer Manager contain vulnerabilities related to both the improper use of encryption mechanisms and the use of weak ciphers. A malicious actor could theoretically compromise the traffic between any of the components. Affected releases include TIBCO Software Inc.'s TIBCO DataSynapse GridServer Manager: versions up to and including 5.1.3; 6.0.0; 6.0.1; 6.0.2; 6.1.0; 6.1.1; and 6.2.0.

Assessing the Risk of CVE-2017-5535

Access Complexity Graph

The exploitability of CVE-2017-5535 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-2017-5535

CVE-2017-5535 presents a challenge to exploit due to its high attack complexity, but the absence of privilege requirements still makes it a viable target for skilled attackers. A thorough security review is advised.

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-2017-5535, 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-2017-5535, 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-2017-5535 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2017-5535 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: None
    CVE-2017-5535 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: 0.067% (probability of exploit)

EPSS Percentile: 32.73% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 67.27000000000001% of others.

CVE-2017-5535 References

External References

CWE Common Weakness Enumeration

CWE-326

CAPEC Common Attack Pattern Enumeration and Classification

  • Brute Force CAPEC-112 In this attack, some asset (information, functionality, identity, etc.) is protected by a finite secret value. The attacker attempts to gain access to this asset by using trial-and-error to exhaustively explore all the possible secret values in the hope of finding the secret (or a value that is functionally equivalent) that will unlock the asset.
  • Protocol Analysis CAPEC-192 An adversary engages in activities to decipher and/or decode protocol information for a network or application communication protocol used for transmitting information between interconnected nodes or systems on a packet-switched data network. While this type of analysis involves the analysis of a networking protocol inherently, it does not require the presence of an actual or physical network.
  • Encryption Brute Forcing CAPEC-20 An attacker, armed with the cipher text and the encryption algorithm used, performs an exhaustive (brute force) search on the key space to determine the key that decrypts the cipher text to obtain the plaintext.

Vulnerable Configurations

  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:-:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:-:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:5.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:5.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:5.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:5.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:5.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:5.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:5.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:5.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:tibco:datasynapse_gridserver_manager:6.2.0:*:*:*:*:*:*:*

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