7.5
HIGH
CVE-2020-12845
"Cherokee NULL Pointer Denial of Service Vulnerability"
Description

Cherokee 0.4.27 to 1.2.104 is affected by a denial of service due to a NULL pointer dereferences. A remote unauthenticated attacker can crash the server by sending an HTTP request to protected resources using a malformed Authorization header that is mishandled during a cherokee_buffer_add call within cherokee_validator_parse_basic or cherokee_validator_parse_digest.

INFO

Published Date :

July 27, 2020, 11:15 p.m.

Last Modified :

Nov. 29, 2022, 2:37 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-12845 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 Cherokee-project cherokee
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-2020-12845.

URL Resource
http://cherokee-project.com/downloads.html Vendor Advisory
https://github.com/cherokee/webserver/issues/1242 Exploit Issue Tracking Third Party Advisory
https://github.com/cherokee/webserver/releases Third Party Advisory
https://security.gentoo.org/glsa/202012-09 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-2020-12845 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-12845 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
  • Modified Analysis by [email protected]

    Nov. 29, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/cherokee/webserver/issues/1242 Exploit, Third Party Advisory https://github.com/cherokee/webserver/issues/1242 Exploit, Issue Tracking, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202012-09 No Types Assigned https://security.gentoo.org/glsa/202012-09 Third Party Advisory
  • CVE Modified by [email protected]

    Dec. 23, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202012-09 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 29, 2020

    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 http://cherokee-project.com/downloads.html No Types Assigned http://cherokee-project.com/downloads.html Vendor Advisory
    Changed Reference Type https://github.com/cherokee/webserver/issues/1242 No Types Assigned https://github.com/cherokee/webserver/issues/1242 Exploit, Third Party Advisory
    Changed Reference Type https://github.com/cherokee/webserver/releases No Types Assigned https://github.com/cherokee/webserver/releases Third Party Advisory
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:* versions from (including) 0.4.27 up to (including) 1.2.104
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-2020-12845 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-2020-12845 weaknesses.

Exploit Prediction

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

3.51 }} 0.77%

score

0.90270

percentile

CVSS31 - Vulnerability Scoring System
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