Buffer overflow in Icecast - CVE-2018-18820

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Main Vulnerability Database Vulnerabilities #VU15691

Buffer overflow in Icecast - CVE-2018-18820

Published: November 2, 2018


Vulnerability identifier: #VU15691
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-18820
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing URL in url_add_client() function in auth_url.c. A remote unauthenticated attacker can send an overly long URL to the affected server, trigger buffer overflow and crash the server or execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Icecast
Gentoo Linux
Debian Linux
Fedora
Opensuse
icecast (Alpine package)
icecast

How to mitigate CVE-2018-18820

Install updates from vendor's website.

Icecast - update to 2.4.4
icecast (Alpine package) - update to 2.4.4-r0
icecast - addressed in versions 2.4.4-1.el6, 2.4.4-1.el7, 2.4.4-1.fc27, 2.4.4-1.fc28, 2.4.4-1.fc29

External References

Related Security Bulletins