7.5
HIGH
CVE-2020-36420
Polipo Denial of Service Vulnerability
Description

Polipo through 1.1.1, when NDEBUG is omitted, allows denial of service via a reachable assertion during parsing of a malformed Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

INFO

Published Date :

July 15, 2021, 12:15 a.m.

Last Modified :

Aug. 4, 2024, 6:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-36420 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 Polipo_project polipo
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-2020-36420.

URL Resource
http://www.openwall.com/lists/oss-security/2021/07/18/1 Mailing List Third Party Advisory
https://bugs.gentoo.org/755896 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/jech/polipo/commit/4d42ca1b5849518762d110f34b6ce2e03d6df9ec Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/18/1 Exploit Mailing List 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-2020-36420 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-36420 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]

    Jun. 26, 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 unsupported-when-assigned
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description ** UNSUPPORTED WHEN ASSIGNED ** Polipo through 1.1.1, when NDEBUG is omitted, allows denial of service via a reachable assertion during parsing of a malformed Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. Polipo through 1.1.1, when NDEBUG is omitted, allows denial of service via a reachable assertion during parsing of a malformed Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
  • Modified Analysis by [email protected]

    Sep. 20, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
  • CVE Modified by [email protected]

    Aug. 12, 2021

    Action Type Old Value New Value
    Changed Description ** UNSUPPORTED WHEN ASSIGNED ** Polipo through 1.1.1 allows denial of service via a reachable assertion during parsing of a malformed Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. ** UNSUPPORTED WHEN ASSIGNED ** Polipo through 1.1.1, when NDEBUG is omitted, allows denial of service via a reachable assertion during parsing of a malformed Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
  • Initial Analysis by [email protected]

    Jul. 20, 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 http://www.openwall.com/lists/oss-security/2021/07/18/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/07/18/1 Mailing List, Third Party Advisory
    Changed Reference Type https://bugs.gentoo.org/755896 No Types Assigned https://bugs.gentoo.org/755896 Exploit, Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/jech/polipo/commit/4d42ca1b5849518762d110f34b6ce2e03d6df9ec No Types Assigned https://github.com/jech/polipo/commit/4d42ca1b5849518762d110f34b6ce2e03d6df9ec Patch, Third Party Advisory
    Changed Reference Type https://www.openwall.com/lists/oss-security/2020/11/18/1 No Types Assigned https://www.openwall.com/lists/oss-security/2020/11/18/1 Exploit, Mailing List, Third Party Advisory
    Added CWE NIST CWE-617
    Added CPE Configuration OR *cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:* versions up to (including) 1.1.1
  • CVE Modified by [email protected]

    Jul. 19, 2021

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2021/07/18/1 [No Types Assigned]
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-2020-36420 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-2020-36420 weaknesses.

Exploit Prediction

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

0.13 }} 0.02%

score

0.47277

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability