5.5
MEDIUM
CVE-2021-46822
Libjpeg-Turbo PPM/PGM Heap-Based Buffer Overflow Vulnerability
Description

The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit binary PPM file into a grayscale buffer and loading a 16-bit binary PGM file into an RGB buffer. This is related to a heap-based buffer overflow in the get_word_rgb_row function in rdppm.c.

INFO

Published Date :

June 18, 2022, 4:15 p.m.

Last Modified :

Aug. 15, 2022, 3:52 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-46822 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 Libjpeg-turbo libjpeg-turbo
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-2021-46822.

URL Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/221567 Third Party Advisory VDB Entry
https://github.com/libjpeg-turbo/libjpeg-turbo/commit/f35fd27ec641c42d6b115bfa595e483ec58188d2 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).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-46822 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46822 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
  • Reanalysis by [email protected]

    Aug. 15, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:libjpeg-turbo:libjpeg-turbo:*:*:*:*:*:*:*:* versions up to (including) 2.0.90 OR *cpe:2.3:a:libjpeg-turbo:libjpeg-turbo:*:*:*:*:*:*:*:* versions from (excluding) 1.5.3 up to (including) 2.0.90
  • Initial Analysis by [email protected]

    Jun. 28, 2022

    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:H
    Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/221567 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/221567 Third Party Advisory, VDB Entry
    Changed Reference Type https://github.com/libjpeg-turbo/libjpeg-turbo/commit/f35fd27ec641c42d6b115bfa595e483ec58188d2 No Types Assigned https://github.com/libjpeg-turbo/libjpeg-turbo/commit/f35fd27ec641c42d6b115bfa595e483ec58188d2 Patch, Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:a:libjpeg-turbo:libjpeg-turbo:*:*:*:*:*:*:*:* versions up to (including) 2.0.90
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-2021-46822 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-2021-46822 weaknesses.

Exploit Prediction

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

0.06 }} 0.00%

score

0.20658

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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