CVE-2019-17178 Information

Description

HuffmanTree_makeFromFrequencies in lodepng.c in LodePNG through 2019-09-28 as used in WinPR in FreeRDP and other products has a memory leak because a supplied realloc pointer (i.e. the first argument to realloc) is also used for a realloc return value.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00005.html https://github.com/FreeRDP/FreeRDP/commit/9fee4ae076b1ec97b97efb79ece08d1dab4df29a https://github.com/FreeRDP/FreeRDP/issues/5645

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5