7.5
HIGH
CVE-2015-6925
WolfSSL DTLS Cookie Denial of Service Vulnerability
Description

wolfSSL (formerly CyaSSL) before 3.6.8 allows remote attackers to cause a denial of service (resource consumption or traffic amplification) via a crafted DTLS cookie in a ClientHello message.

INFO

Published Date :

Jan. 22, 2016, 3:59 p.m.

Last Modified :

Nov. 21, 2024, 2:35 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2015-6925 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2015-6925 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wolfssl wolfssl

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Makefile C

Updated: 1 year, 3 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 15, 2023, 5:57 a.m. This repo has been linked 1 different CVEs too.

None

Makefile C

Updated: 1 year, 4 months ago
0 stars 0 fork 0 watcher
Born at : July 17, 2023, 12:56 p.m. This repo has been linked 1 different CVEs too.

Proof of concept for denial of service attack on wolfSSL's DTLS server implementation.

Makefile C

Updated: 3 months, 1 week ago
7 stars 6 fork 6 watcher
Born at : Sept. 23, 2015, 10 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-6925 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-6925 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jan. 25, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:wolfssl:wolfssl:3.6.6:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/IAIK/wolfSSL-DoS No Types Assigned https://github.com/IAIK/wolfSSL-DoS Exploit
    Changed Reference Type https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html No Types Assigned https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html Advisory, Exploit
    Added CWE CWE-399
  • Initial Analysis by [email protected]

    Jan. 25, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-6925 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-6925 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.78 }} 0.00%

score

0.78633

percentile

CVSS30 - Vulnerability Scoring System
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