Description

A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.

INFO

Published Date :

Dec. 8, 2020, 1:15 a.m.

Last Modified :

Nov. 21, 2024, 5:21 a.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2020-27818 has a 1 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-2020-27818 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 Fedoraproject fedora
2 Fedoraproject extra_packages_for_enterprise_linux
1 Debian debian_linux
1 Libpng pngcheck
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-2020-27818.

URL Resource
https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26 Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72 Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1902011 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html Mailing List Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26 Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72 Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1902011 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html Mailing List 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).

Research and verification of vulnerabilities in pngcheck, including CVE-2020-27818, CVE-2020-35511 and other bugs found in version 2.4.0.

cve pentest pngcheck vulnerability security

Python

Updated: 2 days, 17 hours ago
0 stars 0 fork 0 watcher
Born at : Jan. 19, 2025, 6:33 p.m. This repo has been linked 2 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-2020-27818 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-27818 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26
    Added Reference https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72
    Added Reference https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a
    Added Reference https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f
    Added Reference https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad
    Added Reference https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1902011
    Added Reference https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CWE Red Hat, Inc. CWE-125
  • Modified Analysis by [email protected]

    Jun. 15, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html Mailing List, Third Party Advisory
    Added CWE NIST CWE-125
    Changed CPE Configuration OR *cpe:2.3:a:fedoraproject:fedora_extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:a:fedoraproject:fedora_extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* OR *cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 02, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 08, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
    Changed Reference Type https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26 No Types Assigned https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26 Third Party Advisory
    Changed Reference Type https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72 No Types Assigned https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72 Third Party Advisory
    Changed Reference Type https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a No Types Assigned https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a Third Party Advisory
    Changed Reference Type https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f No Types Assigned https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f Third Party Advisory
    Changed Reference Type https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad No Types Assigned https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad Third Party Advisory
    Changed Reference Type https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069 No Types Assigned https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1902011 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1902011 Issue Tracking, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:libpng:pngcheck:2.4.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:fedoraproject:fedora_extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:a:fedoraproject:fedora_extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
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-2020-27818 is associated with the following CWEs:

Exploit Prediction

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

0.09 }} -0.08%

score

0.39277

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability