6.5
MEDIUM
CVE-2021-40812
GD Graphics Library OOB Read Vulnerability
Description

The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return value checks.

INFO

Published Date :

Sept. 8, 2021, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 6:24 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2021-40812 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-2021-40812 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 Libgd libgd
: Total Affected Vendor : 1 | Products : 1
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-2021-40812.

URL Resource
https://github.com/libgd/libgd/commit/6f5136821be86e7068fcdf651ae9420b5d42e9a9 Patch Third Party Advisory
https://github.com/libgd/libgd/issues/750#issuecomment-914872385 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00003.html
https://github.com/libgd/libgd/commit/6f5136821be86e7068fcdf651ae9420b5d42e9a9 Patch Third Party Advisory
https://github.com/libgd/libgd/issues/750#issuecomment-914872385 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00003.html

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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meweez/meweez

None

Updated: 3 years, 2 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 24, 2021, 8:53 a.m. This repo has been linked 4 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-2021-40812 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-40812 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://github.com/libgd/libgd/commit/6f5136821be86e7068fcdf651ae9420b5d42e9a9
    Added Reference https://github.com/libgd/libgd/issues/750#issuecomment-914872385
    Added Reference https://lists.debian.org/debian-lts-announce/2024/04/msg00003.html
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 29, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-125
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Apr. 07, 2024

    Action Type Old Value New Value
    Added Reference MITRE https://lists.debian.org/debian-lts-announce/2024/04/msg00003.html [No types assigned]
  • Initial Analysis by [email protected]

    Sep. 15, 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://github.com/libgd/libgd/commit/6f5136821be86e7068fcdf651ae9420b5d42e9a9 No Types Assigned https://github.com/libgd/libgd/commit/6f5136821be86e7068fcdf651ae9420b5d42e9a9 Patch, Third Party Advisory
    Changed Reference Type https://github.com/libgd/libgd/issues/750#issuecomment-914872385 No Types Assigned https://github.com/libgd/libgd/issues/750#issuecomment-914872385 Patch, Third Party Advisory
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:a:libgd:libgd:*:*:*:*:*:*:*:* versions up to (including) 2.3.2
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-2021-40812 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-2021-40812 weaknesses.

Exploit Prediction

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

0.14 }} 0.01%

score

0.49235

percentile

CVSS31 - Vulnerability Scoring System
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