8.1
HIGH CVSS 3.0
CVE-2018-18820
Icecast HTTP Buffer Overflow RCE
Description

A buffer overflow was discovered in the URL-authentication backend of the Icecast before 2.4.4. If the backend is enabled, then any malicious HTTP client can send a request for that specific resource including a crafted header, leading to denial of service and potentially remote code execution.

INFO

Published Date :

Nov. 5, 2018, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 3:56 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2018-18820 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 Debian debian_linux
1 Xiph icecast
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 HIGH [email protected]
Solution
A buffer overflow vulnerability in Icecast allows for denial-of-service and potential remote code execution; upgrading to a patched version is recommended.
  • Upgrade Icecast to a version greater than or equal to 2.4.4.
  • For Debian 9 (Stretch), update to version 2.4.2-1+deb9u1 or later.
Public PoC/Exploit Available at Github

CVE-2018-18820 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2018-18820.

URL Resource
http://www.openwall.com/lists/oss-security/2018/11/01/3 Mailing List Patch Third Party Advisory
http://www.securitytracker.com/id/1042019 Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00033.html Third Party Advisory
https://security.gentoo.org/glsa/201811-09 Mitigation Third Party Advisory
https://www.debian.org/security/2018/dsa-4333 Third Party Advisory
http://www.openwall.com/lists/oss-security/2018/11/01/3 Mailing List Patch Third Party Advisory
http://www.securitytracker.com/id/1042019 Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00033.html Third Party Advisory
https://security.gentoo.org/glsa/201811-09 Mitigation Third Party Advisory
https://www.debian.org/security/2018/dsa-4333 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-18820 is associated with the following CWEs:

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).

CVE-2018-18820 checker for Icecast servers

Python

Updated: 7 months ago
2 stars 0 fork 0 watcher
Born at : Feb. 2, 2025, 9:58 p.m. This repo has been linked 1 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-2018-18820 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-18820 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 http://www.openwall.com/lists/oss-security/2018/11/01/3
    Added Reference http://www.securitytracker.com/id/1042019
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00033.html
    Added Reference https://security.gentoo.org/glsa/201811-09
    Added Reference https://www.debian.org/security/2018/dsa-4333
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 23, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2018/11/01/3 No Types Assigned http://www.openwall.com/lists/oss-security/2018/11/01/3 Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/11/msg00033.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/11/msg00033.html Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1042019 No Types Assigned http://www.securitytracker.com/id/1042019 Third Party Advisory, VDB Entry
    Changed Reference Type https://security.gentoo.org/glsa/201811-09 No Types Assigned https://security.gentoo.org/glsa/201811-09 Mitigation, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4333 No Types Assigned https://www.debian.org/security/2018/dsa-4333 Third Party Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:xiph:icecast:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.4
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 27, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00033.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 10, 2018

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201811-09 [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.
Vulnerability Scoring Details
Base CVSS Score: 8.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

68.26 }} -0.31%

score

0.98539

percentile