The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-0697 advisory.

    - Fix CVE-2018-8786 (#1684152)
    - Fix CVE-2018-8787 (#1684156)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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

The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3845-2 advisory.

    USN-3845-1 fixed several vulnerabilities in FreeRDP. This update provides the corresponding update for     Ubuntu 18.04 LTS and Ubuntu 18.10.



Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:0697 advisory.

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
    The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

    Security Fix(es):

    * 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)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

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 MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2019-3794:01 advisory.

    [Security Fix]
    - FreeRDP update_read_bitmap_update()

    (CVE-2018-8786)
    - FreeRDP gdi_Bitmap_Decompress()

    (CVE-2018-8787)
    - FreeRDP nsc_rle_decode()4

    (CVE-2018-8788)     CVEJVNhttp://jvndb.jvn.jp/

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

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

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3845-1 advisory.

    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.
    (CVE-2018-8784, CVE-2018-8785)

    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. (CVE-2018-8786, CVE-2018-8787)

    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. (CVE-2018-8788)

    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. (CVE-2018-8789)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues 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

This update was imported from the SUSE:SLE-15:Update update project.

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 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)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
123646	Oracle Linux 7 : freerdp (ELSA-2019-0697)	Nessus	Oracle Linux Local Security Checks	2019/4/3	2024/11/1	critical
125542	Ubuntu 18.04 LTS : FreeRDP vulnerabilities (USN-3845-2)	Nessus	Ubuntu Local Security Checks	2019/5/29	2024/10/29	critical
123647	RHEL 7 : freerdp (RHSA-2019:0697)	Nessus	Red Hat Local Security Checks	2019/4/3	2024/11/6	critical
124379	EulerOS 2.0 SP2 : freerdp (EulerOS-SA-2019-1283)	Nessus	Huawei Local Security Checks	2019/4/30	2024/5/30	critical
289857	MiracleLinux 7 : freerdp-1.0.2-15.el7.1 (AXSA:2019-3794:01)	Nessus	Miracle Linux Local Security Checks	2026/1/16	2026/1/16	critical
119655	Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : FreeRDP vulnerabilities (USN-3845-1)	Nessus	Ubuntu Local Security Checks	2018/12/13	2024/8/27	critical
122847	openSUSE Security Update : freerdp (openSUSE-2019-325)	Nessus	SuSE Local Security Checks	2019/3/14	2024/6/13	critical
221862	Linux Distros Unpatched Vulnerability : CVE-2018-8787	Nessus	Misc.	2025/3/4	2025/9/2	critical

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