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CVE-2018-8786

Status Candidate

Overview

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably even a remote code execution.

Related Files

Ubuntu Security Notice USN-3845-2
Posted May 29, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3845-2 - USN-3845-1 fixed several vulnerabilities in FreeRDP. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 18.10. Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 18.04 LTS and Ubuntu 18.10. Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. Eyal Itkin discovered FreeRDP incorrectly handled NTLM authentication. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-8786
SHA-256 | 03e0f2b0386c71326f3ec2373603df509289258f73ad85d03b0eb3bd88fa9b0e
Red Hat Security Advisory 2019-0697-01
Posted Apr 2, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0697-01 - FreeRDP is a free implementation of the Remote Desktop Protocol, released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Issues addressed include a buffer overflow vulnerability.

tags | advisory, remote, overflow, protocol
systems | linux, redhat, windows
advisories | CVE-2018-8786, CVE-2018-8787, CVE-2018-8788
SHA-256 | 3242a23b8a22d69ff2bdebb02eba1a0c3536b369a8093cf497a009531b42d1de
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