5.5
MEDIUM
CVE-2022-4121
Apache libetpan IMAP Null Pointer Denial of Service
Description

In libetpan a null pointer dereference in mailimap_mailbox_data_status_free in low-level/imap/mailimap_types.c was found that could lead to a remote denial of service or other potential consequences.

INFO

Published Date :

Jan. 17, 2023, 6:15 p.m.

Last Modified :

Jan. 23, 2023, 7:32 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2022-4121 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 Libetpan_project libetpan
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-2022-4121.

URL Resource
https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba Patch Third Party Advisory
https://github.com/dinhvh/libetpan/issues/420 Exploit Issue Tracking 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-2022-4121 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-4121 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
  • Initial Analysis by [email protected]

    Jan. 23, 2023

    Action Type Old Value New Value
    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://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba No Types Assigned https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba Patch, Third Party Advisory
    Changed Reference Type https://github.com/dinhvh/libetpan/issues/420 No Types Assigned https://github.com/dinhvh/libetpan/issues/420 Exploit, Issue Tracking, Patch, Third Party Advisory
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:a:libetpan_project:libetpan:-:*:*:*:*:*:*:*
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-2022-4121 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-2022-4121 weaknesses.

Exploit Prediction

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

0.07 }} 0.00%

score

0.29470

percentile

CVSS31 - Vulnerability Scoring System
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