Skip to content

Latest commit

 

History

History
100 lines (82 loc) · 5.31 KB

attack-tree.md

File metadata and controls

100 lines (82 loc) · 5.31 KB

Attack Tree Analysis for twitter/twemproxy

Objective: Gain Unauthorized Read/Write Access to Backend Data Stores (Data Exfiltration, Modification, or DoS)

Attack Tree Visualization

                                     Attacker's Goal:
                                     Gain Unauthorized Read/Write Access to Backend Data Stores
                                     (Data Exfiltration, Modification, or DoS)
                                                     | [CN]
        -------------------------------------------------------------------------
        |                                                                       |
   1. Exploit Twemproxy                                         3. Network-Level Attacks Targeting
      Vulnerabilities                                                  Twemproxy or Backend
        | [CN]                                                                  |
   -----------------                                            ------------------------
   |                 |                                            |
1.1              1.3                                          3.2
Known            Denial of                                    Denial of
CVEs             Service (DoS)                                Service (DoS)
[HR] [CN]        (e.g., Resource                              (Targeting Twemproxy
                 Exhaustion)                                   or Backend)
                 | [HR]                                         [HR] [CN]
            -------------
            |           |
          1.3.1       1.3.2
          Server      Client
          Exhaustion  Exhaustion
          (Too many   (Flooding
           connections) Twemproxy)
           [HR]         [HR]

Attack Tree Path: 1. Exploit Twemproxy Vulnerabilities [CN]

  • Description: This represents the core risk of directly attacking vulnerabilities within the Twemproxy software itself. Successful exploitation can grant the attacker significant control.
  • Sub-Vectors:

Attack Tree Path: 1.1 Known CVEs [HR] [CN]

  • Description: Exploiting publicly known and documented vulnerabilities in Twemproxy. Attackers often scan for unpatched systems running vulnerable versions.
  • Likelihood: Medium (If unpatched) / Very Low (If patched promptly)
  • Impact: High to Very High (Potential for RCE, data breach, DoS)
  • Effort: Low to Medium (Exploits may be publicly available)
  • Skill Level: Intermediate (Understanding of vulnerability, potentially exploit development)
  • Detection Difficulty: Medium (IDS/IPS might detect exploit attempts, logs might show unusual activity)
  • Mitigation:
    • Crucially: Keep Twemproxy updated to the latest stable version.
    • Monitor vulnerability databases (CVE, NVD).
    • Use a vulnerability scanner.

Attack Tree Path: 1.3 Denial of Service (DoS) [HR]

  • Description: Overwhelming Twemproxy with requests or connections, causing it to become unresponsive or crash.
  • Sub-Vectors:

Attack Tree Path: 1.3.1 Server Exhaustion [HR]

  • Description: Opening an excessive number of connections to Twemproxy, exceeding its configured limits.
  • Likelihood: Medium
  • Impact: Medium to High
  • Effort: Low
  • Skill Level: Novice
  • Detection Difficulty: Easy
  • Mitigation:
    • Configure connection limits appropriately (server_connections).
    • Monitor Twemproxy's resource usage.

Attack Tree Path: 1.3.2 Client Exhaustion [HR]

  • Description: Flooding Twemproxy with a high volume of requests, even within connection limits.
  • Likelihood: Medium to High
  • Impact: Medium to High
  • Effort: Low to Medium
  • Skill Level: Novice to Intermediate
  • Detection Difficulty: Easy to Medium
  • Mitigation:
    • Implement rate limiting (firewall, reverse proxy).
    • Monitor Twemproxy's resource usage.
    • Use a robust network infrastructure (DDoS mitigation).
    • Consider a load balancer with multiple Twemproxy instances.

Attack Tree Path: 3. Network-Level Attacks Targeting Twemproxy or Backend

  • Description: Attacks that target the network infrastructure surrounding Twemproxy and the backend data stores, rather than vulnerabilities within Twemproxy itself.
    • Sub-Vectors:

Attack Tree Path: 3.2 Denial of Service (DoS) (Targeting Twemproxy or Backend) [HR] [CN]

  • Description: Network-level DoS attacks aimed at disrupting the availability of either Twemproxy or the backend servers.
  • Likelihood: Medium to High
  • Impact: Medium to High
  • Effort: Low to Medium
  • Skill Level: Novice to Intermediate
  • Detection Difficulty: Easy to Medium
  • Mitigation:
    • Implement network-level DDoS mitigation (firewalls, IDS/IPS, CDN).
    • Ensure resilient network infrastructure (redundant connections, distributed servers).