CVE-2018-18820: Buffer Overflow
First published: Mon Nov 05 2018(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/icecast2 | 2.4.4-1 2.4.4-4 | |
| Xiph Icecast | <2.4.4 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 |
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Reference Links
- https://www.openwall.com/lists/oss-security/2018/11/01/3
- https://gitlab.xiph.org/xiph/icecast-server/issues/2342
- https://gitlab.xiph.org/xiph/icecast-server/commit/b21a7283bd1598c5af0bbb250a041ba8198f98f2
- https://gitlab.xiph.org/xiph/icecast-server/commit/03ea74c04a5966114c2fe66e4e6892d11a68181e
- https://lgtm.com/blog/icecast_snprintf_CVE-2018-18820
- https://security-tracker.debian.org/tracker/CVE-2018-18820
- http://www.openwall.com/lists/oss-security/2018/11/01/3
- http://www.securitytracker.com/id/1042019
- https://lists.debian.org/debian-lts-announce/2018/11/msg00033.html
- https://security.gentoo.org/glsa/201811-09
- https://www.debian.org/security/2018/dsa-4333
Frequently Asked Questions
What is CVE-2018-18820?
CVE-2018-18820 is a buffer overflow vulnerability in the URL-authentication backend of the Icecast server before version 2.4.4.
What is the severity of CVE-2018-18820?
CVE-2018-18820 has a severity rating of 8.1, which is considered high.
How does CVE-2018-18820 affect Icecast servers?
CVE-2018-18820 can lead to denial of service and potentially remote code execution if a malicious HTTP client sends a crafted header request to the URL-authentication backend of an Icecast server.
Which versions of Icecast are affected by CVE-2018-18820?
Icecast versions before 2.4.4 are affected by CVE-2018-18820.
How can I fix CVE-2018-18820?
To fix CVE-2018-18820, you should update your Icecast server to version 2.4.4-1 or 2.4.4-4, provided by the Debian package icecast2.
- collector/security-tracker-debian
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/author
- agent/references
- agent/type
- agent/event
- agent/description
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/tags
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/xiph
- canonical/xiph icecast
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- version/debian debian linux/9.0