7.5
HIGH
CVE-2020-26148
MD4c Denial of Service Uninitialized Memory Vulnerability
Description

md_push_block_bytes in md4c.c in md4c 0.4.5 allows attackers to trigger use of uninitialized memory, and cause a denial of service (e.g., assertion failure) via a malformed Markdown document.

INFO

Published Date :

Sept. 30, 2020, 6:15 p.m.

Last Modified :

Oct. 9, 2020, 3:05 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-26148 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-2020-26148 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 Md4c_project md4c
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-26148.

URL Resource
https://github.com/mity/md4c/issues/130 Exploit Patch Third Party Advisory

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

Dockerfile Makefile C Python Shell

Updated: 1 year, 11 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 12, 2022, 10:32 p.m. This repo has been linked 28 different CVEs too.

None

Dockerfile Makefile C Python Shell

Updated: 2 years, 8 months ago
0 stars 0 fork 0 watcher
Born at : March 2, 2022, 3 a.m. This repo has been linked 28 different CVEs too.

Security oriented software fuzzer. Supports evolutionary, feedback-driven fuzzing based on code coverage (SW and HW based)

fuzzing security c

Makefile C Python Shell Dockerfile

Updated: 2 months, 2 weeks ago
3037 stars 474 fork 474 watcher
Born at : May 7, 2015, 3:43 p.m. This repo has been linked 28 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-2020-26148 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-26148 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
  • Initial Analysis by [email protected]

    Oct. 09, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/mity/md4c/issues/130 No Types Assigned https://github.com/mity/md4c/issues/130 Exploit, Patch, Third Party Advisory
    Added CWE NIST CWE-908
    Added CPE Configuration OR *cpe:2.3:a:md4c_project:md4c:0.4.5:*:*:*:*:*:*:*
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-2020-26148 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-2020-26148 weaknesses.

Exploit Prediction

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

0.12 }} 0.01%

score

0.44065

percentile

CVSS31 - Vulnerability Scoring System
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