CVE-2019-6256

Publication date 14 January 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It 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. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.

From the Ubuntu Security Team

It was discovered that liveMedia incorrectly handled certain network sessions. An attacker could possibly use this issue to cause a denial of service.

Status

Package Ubuntu Release Status
liblivemedia 23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy
Fixed 2018.11.26-1
20.04 LTS focal
Fixed 2018.11.26-1
19.10 eoan
Fixed 2018.11.26-1
19.04 disco
Fixed 2018.11.26-1
18.10 cosmic Ignored end of life
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty Not in release

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Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4853-1
    • liveMedia vulnerabilities
    • 15 March 2021

Other references