CVE-2021-40145
LibGD Double Free Vulnerability
Description
gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes.
INFO
Published Date :
Aug. 26, 2021, 1:15 a.m.
Last Modified :
Aug. 4, 2024, 3:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-40145 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-40145.
| URL | Resource |
|---|---|
| https://github.com/libgd/libgd/commit/c5fd25ce0e48fd5618a972ca9f5e28d6d62006af | Patch Third Party Advisory |
| https://github.com/libgd/libgd/issues/700 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/libgd/libgd/pull/713 | Issue Tracking 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).
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-40145 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-40145 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]
Aug. 04, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes." gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes. -
Initial Analysis by [email protected]
Sep. 01, 2021
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/libgd/libgd/commit/c5fd25ce0e48fd5618a972ca9f5e28d6d62006af No Types Assigned https://github.com/libgd/libgd/commit/c5fd25ce0e48fd5618a972ca9f5e28d6d62006af Patch, Third Party Advisory Changed Reference Type https://github.com/libgd/libgd/issues/700 No Types Assigned https://github.com/libgd/libgd/issues/700 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/libgd/libgd/pull/713 No Types Assigned https://github.com/libgd/libgd/pull/713 Issue Tracking, Third Party Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:a:libgd:libgd:*:*:*:*:*:*:*:* versions up to (including) 2.3.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-40145 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-2021-40145
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.03%
score
0.64134
percentile