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CVE-2019-6256

Date: August 24, 2020

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.

Language: C++

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2019-6256
https://lists.debian.org/debian-lts-announce/2019/02/msg00037.html
https://security.gentoo.org/glsa/202005-06
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-6256
https://nvd.nist.gov/vuln/detail/CVE-2019-6256
https://github.com/rgaufman/live555/issues/19
https://seclists.org/bugtraq/2019/Mar/22
https://www.debian.org/security/2019/dsa-4408
https://www.mend.io/vulnerability-database/CVE-2019-6256

Severity Score

Weakness Type (CWE)

Improper Handling of Exceptional Conditions

CWE-755

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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