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OpenAdvisories
Medium ALAS2-2023-2269 11 CVEs

Moderate: freerdp security update (Amazon Linux 2)

Published Sep 27, 2023 · Updated Oct 5, 2023

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2023-40589: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue. CVE-2023-40569: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `progressive_decompress` function. This issue is likely down to incorrect calculations of the `nXSrc` and `nYSrc` variables. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. there are no known workarounds for this vulnerability. CVE-2023-40567: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `clear_decompress_bands_data` function in which there is no offset validation. Abuse of this vulnerability may lead to an out of bounds write. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. there are no known workarounds for this vulnerability. CVE-2023-40188: NOTE: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9w28-wwj5-p4xq CVE-2023-40186: NOTE: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hcj4-3c3r-5j3v CVE-2023-40181: NOTE: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxp4-rx7x-h2g8 CVE-2023-39356: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a missing offset validation may lead to an Out Of Bound Read in the function `gdi_multi_opaque_rect`. In particular there is no code to validate if the value `multi_opaque_rect->numRectangles` is less than 45. Looping through `multi_opaque_rect->`numRectangles without proper boundary checks can lead to Out-of-Bounds Read errors which will likely lead to a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability. CVE-2023-39354: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the `nsc_rle_decompress_data` function. The Out-Of-Bounds Read occurs because it processes `context->Planes` without checking if it contains data of sufficient length. Should an attacker be able to leverage this vulnerability they may be able to cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability. CVE-2023-39353: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to a missing offset validation leading to Out Of Bound Read. In the `libfreerdp/codec/rfx.c` file there is no offset validation in `tile->quantIdxY`, `tile->quantIdxCb`, and `tile->quantIdxCr`. As a result crafted input can lead to an out of bounds read access which in turn will cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability. CVE-2023-39351: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of FreeRDP are subject to a Null Pointer Dereference leading a crash in the RemoteFX (rfx) handling. Inside the `rfx_process_message_tileset` function, the program allocates tiles using `rfx_allocate_tiles` for the number of numTiles. If the initialization process of tiles is not completed for various reasons, tiles will have a NULL pointer. Which may be accessed in further processing and would cause a program crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability. CVE-2023-39350: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). When an insufficient blockLen is provided, and proper length validation is not performed, an Integer Underflow occurs, leading to a Denial of Service (DOS) vulnerability. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Fixed packages 6

ReleasePackageFixed in
Amazon Linux · 2 freerdp 2:2.11.1-1.amzn2.0.1
Amazon Linux · 2 freerdp-debuginfo 2:2.11.1-1.amzn2.0.1
Amazon Linux · 2 freerdp-devel 2:2.11.1-1.amzn2.0.1
Amazon Linux · 2 freerdp-libs 2:2.11.1-1.amzn2.0.1
Amazon Linux · 2 libwinpr 2:2.11.1-1.amzn2.0.1
Amazon Linux · 2 libwinpr-devel 2:2.11.1-1.amzn2.0.1

Vulnerabilities 11

  • Medium 6.5

    IntegerOverflow leading to Out-Of-Bound Write Vulnerability in FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an IntegerOverflow leading to Out-Of-Bound Write Vulnerability in the `gdi_CreateSurface` function. This issue affects F…

  • Medium 6.5

    Out-Of-Bounds Write in FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `clear_decompress_bands_data` function in which there is no offset validation. Abuse of th…

  • Medium 6.5

    Out-Of-Bounds Write in FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `progressive_decompress` function. This issue is likely down to incorrect calculations of …

  • Medium 5.9

    Incorrect offset calculation leading to denial of service in FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). When an insufficient…

  • Medium 5.9

    FreeRDP Out-Of-Bounds Read in nsc_rle_decompress_data

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the `nsc_rle_decompress_data` function. The Out-Of-Bounds Read occurs because it processes `con…

  • Medium 5.3

    FreeRDP Null Pointer Dereference leading denial of service

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of FreeRDP are subject to a Null Pointer Dereference leading a crash in the RemoteFX (rfx) handling. Inside the `rfx_process_message_ti…

  • Medium 5.3

    Missing offset validation leading to Out Of Bound Read in FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to a missing offset validation leading to Out Of Bound Read. In the `libfreerdp/codec/rfx.c` file there is no offset valida…

  • Medium 5.3

    Missing offset validation leading to Out-of-Bounds Read in FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a missing offset validation may lead to an Out Of Bound Read in the function `gdi_multi_opaque_rect`. In particular there is no code…

  • Medium 5.3

    Integer-Underflow leading to Out-Of-Bound Read in FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Integer-Underflow leading to Out-Of-Bound Read in the `zgfx_decompress_segment` function. In the context of `CopyMemo…

  • Medium 5.3

    Out-Of-Bounds Read in FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the `general_LumaToYUV444` function. This Out-Of-Bounds Read occurs because processing is done …

  • Medium 4.3

    FreeRDP Global-Buffer-Overflow in ncrush_decompress

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overfl…

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-39350.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-39351.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-39353.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-39354.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-39356.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-40181.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-40186.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-40188.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-40567.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-40569.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-40589.html