Input validation error in LIVE555 Media Server - CVE-2019-6256

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Main Vulnerability Database Vulnerabilities #VU17101

Input validation error in LIVE555 Media Server - CVE-2019-6256

Published: January 21, 2019


Vulnerability identifier: #VU17101
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-6256
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp. A remote attacker can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session.


Affected software

LIVE555 Media Server
Gentoo Linux
Opensuse
liblivemedia (Debian package)

How to mitigate CVE-2019-6256

Install updates from vendor's website.

liblivemedia (Debian package) - update to 2016.11.28-1+deb9u2

External References

Related Security Bulletins