CVE-2020-21048
Libsixel PNG Denial of Service Vulnerability
Description
An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.
INFO
Published Date :
Sept. 14, 2021, 4:15 p.m.
Last Modified :
Sept. 24, 2021, 5:05 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
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-2020-21048.
| URL | Resource |
|---|---|
| https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad | Broken Link |
| https://github.com/saitoha/libsixel/blob/master/ChangeLog | Release Notes Third Party Advisory |
| https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037 | Patch Third Party Advisory |
| https://github.com/saitoha/libsixel/issues/73 | Exploit Issue Tracking Patch Third Party Advisory |
| https://github.com/saitoha/libsixel/releases/tag/v1.8.4 | Release Notes 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-21048 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-21048 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.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Sep. 24, 2021
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:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad No Types Assigned https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad Broken Link Changed Reference Type https://github.com/saitoha/libsixel/blob/master/ChangeLog No Types Assigned https://github.com/saitoha/libsixel/blob/master/ChangeLog Release Notes, Third Party Advisory Changed Reference Type https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037 No Types Assigned https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037 Patch, Third Party Advisory Changed Reference Type https://github.com/saitoha/libsixel/issues/73 No Types Assigned https://github.com/saitoha/libsixel/issues/73 Exploit, Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/saitoha/libsixel/releases/tag/v1.8.4 No Types Assigned https://github.com/saitoha/libsixel/releases/tag/v1.8.4 Release Notes, Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:libsixel_project:libsixel:*:*:*:*:*:*:*:* versions up to (excluding) 1.8.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-21048 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-2020-21048
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.30 }} 0.01%
score
0.69332
percentile