This update for freerdp fixes the following issues :

Security issues fixed :

CVE-2018-0886: Fix a remote code execution vulnerability (CredSSP) (bsc#1085416, bsc#1087240, bsc#1104918)

CVE-2018-8789: Fix several denial of service vulnerabilities in the in the NTLM Authentication module (bsc#1117965)

CVE-2018-8785: Fix a potential remote code execution vulnerability in the zgfx_decompress function (bsc#1117967)

CVE-2018-8786: Fix a potential remote code execution vulnerability in the update_read_bitmap_update function (bsc#1117966)

CVE-2018-8787: Fix a potential remote code execution vulnerability in the gdi_Bitmap_Decompress function (bsc#1117964)

CVE-2018-8788: Fix a potential remote code execution vulnerability in the nsc_rle_decode function (bsc#1117963)

CVE-2018-8784: Fix a potential remote code execution vulnerability in the zgfx_decompress_segment function (bsc#1116708)

CVE-2018-1000852: Fixed a remote memory access in the drdynvc_process_capability_request function (bsc#1120507)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the freerdp packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - freerdp: Integer truncation leading to heap-based     buffer overflow in Update_read_bitmap_update() function     (CVE-2018-8786)

  - freerdp: Integer overflow leading to heap-based buffer     overflow in gdi_Bitmap_Decompress() function     (CVE-2018-8787)

  - freerdp: Out-of-bounds write in nsc_rle_decode()     function (CVE-2018-8788)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has freerdp packages installed that are affected by multiple vulnerabilities:

  - 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. (CVE-2018-8786)

  - FreeRDP prior to version 2.0.0-rc4 contains an Integer     Overflow that leads to a Heap-Based Buffer Overflow in     function gdi_Bitmap_Decompress() and results in a memory     corruption and probably even a remote code execution.
    (CVE-2018-8787)

  - FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-     Bounds Write of up to 4 bytes in function     nsc_rle_decode() that results in a memory corruption and     possibly even a remote code execution. (CVE-2018-8788)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

This update for freerdp to version 2.0.0~rc4 fixes the following issues :

Security issues fixed :

CVE-2018-0886: Fix a remote code execution vulnerability (CredSSP) (bsc#1085416, bsc#1087240, bsc#1104918)

CVE-2018-8789: Fix several denial of service vulnerabilities in the in the NTLM Authentication module (bsc#1117965)

CVE-2018-8785: Fix a potential remote code execution vulnerability in the zgfx_decompress function (bsc#1117967)

CVE-2018-8786: Fix a potential remote code execution vulnerability in the update_read_bitmap_update function (bsc#1117966)

CVE-2018-8787: Fix a potential remote code execution vulnerability in the gdi_Bitmap_Decompress function (bsc#1117964)

CVE-2018-8788: Fix a potential remote code execution vulnerability in the nsc_rle_decode function (bsc#1117963)

CVE-2018-8784: Fix a potential remote code execution vulnerability in the zgfx_decompress_segment function (bsc#1116708)

CVE-2018-1000852: Fixed a remote memory access in the drdynvc_process_capability_request function (bsc#1120507)

Other issues: Upgraded to version 2.0.0-rc4 (FATE#326739)

Security and stability improvements, including bsc#1103557 and bsc#1112028

gateway: multiple fixes and improvements

client/X11: support for rail (remote app) icons was added

The licensing code was re-worked: Per-device licenses are now saved on the client and used on re-connect: WARNING: this is a change in FreeRDP behavior regarding licensing. If the old behavior is required, or no licenses should be saved use the new command line option +old-license (gh#/FreeRDP/FreeRDP#4979)

Improved order handling - only orders that were enable during capability exchange are accepted. WARNING and NOTE: some servers do improperly send orders that weren't negotiated, for such cases the new command line option /relax-order-checks was added to disable the strict order checking. If connecting to xrdp the options /relax-order-checks

*and* +glyph-cache are required. (gh#/FreeRDP/FreeRDP#4926)

Fixed automount issues

Fixed several audio and microphone related issues

Fixed X11 Right-Ctrl ungrab feature

Fixed race condition in rdpsnd channel server.

Disabled SSE2 for ARM and powerpc

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function     nsc_rle_decode() that results in a memory corruption and possibly even a remote code execution.
    (CVE-2018-8788)

Note that Nessus relies on the presence of the package as reported by the vendor.

This update for freerdp fixes the following issues :

Security issues fixed :

  - CVE-2018-0886: Fix a remote code execution vulnerability     (CredSSP) (bsc#1085416, bsc#1087240, bsc#1104918)

  - CVE-2018-8789: Fix several denial of service     vulnerabilities in the in the NTLM Authentication module     (bsc#1117965)

  - CVE-2018-8785: Fix a potential remote code execution     vulnerability in the zgfx_decompress function     (bsc#1117967)

  - CVE-2018-8786: Fix a potential remote code execution     vulnerability in the update_read_bitmap_update function     (bsc#1117966)

  - CVE-2018-8787: Fix a potential remote code execution     vulnerability in the gdi_Bitmap_Decompress function     (bsc#1117964)

  - CVE-2018-8788: Fix a potential remote code execution     vulnerability in the nsc_rle_decode function     (bsc#1117963)

  - CVE-2018-8784: Fix a potential remote code execution     vulnerability in the zgfx_decompress_segment function     (bsc#1116708)

  - CVE-2018-1000852: Fixed a remote memory access in the     drdynvc_process_capability_request function     (bsc#1120507)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

For the FreeRDP version in Debian jessie LTS a security and functionality update has recently been provided. FreeRDP is a free re-implementation of the Microsoft RDP protocol (server and client side) with freerdp-x11 being the most common RDP client these days.

Functional improvements :

With help from FreeRDP upstream (cudos to Bernhard Miklautz and Martin Fleisz) we are happy to announce that RDP proto v6 and CredSSP v3 support have been backported to the old FreeRDP 1.1 branch.

Since Q2/2018, Microsoft Windows servers and clients received an update that defaulted their RDP server to proto version 6. Since this change, people have not been able anymore to connect to recently updated MS Windows machines using old the FreeRDP 1.1 branch as found in Debian jessie LTS and Debian stretch.

With the recent FreeRDP upload to Debian jessie LTS, connecting to up-to-date MS Windows machines is now again possible.

Security issues :

CVE-2018-8786

FreeRDP contained an integer truncation that lead to a heap-based buffer overflow in function update_read_bitmap_update() and resulted in a memory corruption and probably even a remote code execution.

CVE-2018-8787

FreeRDP contained an integer overflow that leads to a heap-based buffer overflow in function gdi_Bitmap_Decompress() and resulted in a memory corruption and probably even a remote code execution.

CVE-2018-8788

FreeRDP contained an out-of-bounds write of up to 4 bytes in function nsc_rle_decode() that resulted in a memory corruption and possibly even a remote code execution.

CVE-2018-8789

FreeRDP contained several out-of-bounds reads in the NTLM authentication module that resulted in a denial of service (segfault).

For Debian 8 'Jessie', these security problems have been fixed in version 1.1.0~git20140921.1.440916e+dfsg1-13~deb8u3.

We recommend that you upgrade your freerdp packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
121302	SUSE SLED12 Security Update : freerdp (SUSE-SU-2019:0134-1)	Nessus	SuSE Local Security Checks	2019/1/22	2022/5/24	critical
124381	EulerOS 2.0 SP5 : freerdp (EulerOS-SA-2019-1285)	Nessus	Huawei Local Security Checks	2019/4/30	2024/5/30	critical
127280	NewStart CGSL CORE 5.04 / MAIN 5.04 : freerdp Multiple Vulnerabilities (NS-SA-2019-0074)	Nessus	NewStart CGSL Local Security Checks	2019/8/12	2024/5/7	critical
122608	SUSE SLED15 / SLES15 Security Update : freerdp (SUSE-SU-2019:0539-1)	Nessus	SuSE Local Security Checks	2019/3/5	2022/5/23	critical
222705	Linux Distros Unpatched Vulnerability : CVE-2018-8788	Nessus	Misc.	2025/3/4	2026/9/2	critical
121462	openSUSE Security Update : freerdp (openSUSE-2019-96)	Nessus	SuSE Local Security Checks	2019/1/30	2024/6/25	critical
122066	Debian DLA-1666-1 : freerdp security update	Nessus	Debian Local Security Checks	2019/2/11	2024/6/21	critical
124380	EulerOS 2.0 SP3 : freerdp (EulerOS-SA-2019-1284)	Nessus	Huawei Local Security Checks	2019/4/30	2024/5/30	critical

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