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OpenAdvisories
High ALAS2-2023-1930 9 CVEs

Important: freerdp security update (Amazon Linux 2)

Published Jan 31, 2023 · Updated Feb 4, 2023

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2022-41877: FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in `drive` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the drive redirection channel - command line options `/drive`, `+drives` or `+home-drive`. CVE-2022-39347: No description is available for this CVE. CVE-2022-39320: FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch. CVE-2022-39319: FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in the `urbdrc` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch. CVE-2022-39318: FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with division by zero. This issue has been addressed in version 2.9.0. All users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch. CVE-2022-39317: FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue. CVE-2022-39316: FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in the 2.9.0 release. Users are advised to upgrade. CVE-2022-39283: FreeRDP is a free remote desktop protocol library and clients. All FreeRDP based clients when using the `/video` command line switch might read uninitialized data, decode it as audio/video and display the result. FreeRDP based server implementations are not affected. This issue has been patched in version 2.8.1. If you cannot upgrade do not use the `/video` switch. CVE-2022-39282: FreeRDP is a free remote desktop protocol library and clients. FreeRDP based clients on unix systems using `/parallel` command line switch might read uninitialized data and send it to the server the client is currently connected to. FreeRDP based server implementations are not affected. Please upgrade to 2.8.1 where this issue is patched. If unable to upgrade, do not use parallel port redirection (`/parallel` command line switch) as a workaround.

Fixed packages 6

ReleasePackageFixed in
Amazon Linux · 2 freerdp 2:2.2.0-10.amzn2.0.1
Amazon Linux · 2 freerdp-debuginfo 2:2.2.0-10.amzn2.0.1
Amazon Linux · 2 freerdp-devel 2:2.2.0-10.amzn2.0.1
Amazon Linux · 2 freerdp-libs 2:2.2.0-10.amzn2.0.1
Amazon Linux · 2 libwinpr 2:2.2.0-10.amzn2.0.1
Amazon Linux · 2 libwinpr-devel 2:2.2.0-10.amzn2.0.1

Vulnerabilities 9

  • Medium 5.9
    CVE-2022-39283

    FreeRDP may read and display out of bounds data

    FreeRDP is a free remote desktop protocol library and clients. All FreeRDP based clients when using the `/video` command line switch might read uninitialized data, decode it as audio/video and display the result. FreeRDP based server implementations are not a…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu
  • Medium 5.5
    CVE-2022-39320

    Heap buffer overflow in urbdrc channel

    FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based clien…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • Medium 4.8
    CVE-2022-39316

    Out of bound read in FreeRDP

    FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it likely r…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • Medium 4.8
    CVE-2022-39318

    Division by zero in urbdrc channel in FreeRDP

    FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with division by zero. This issue has been addressed in …

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • Medium 4.6
    CVE-2022-39317

    Out of bounds read in zgfx decoder in FreeRDP

    FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. T…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • Medium 4.6
    CVE-2022-39319

    Missing length validation in urbdrc channel in FreeRDP

    FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in the `urbdrc` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the serv…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • Medium 4.6
    CVE-2022-41877

    Missing input length validation in `drive` channel in FreeRDP

    FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in `drive` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. T…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • Low 3.5
    CVE-2022-39282

    RDP client: Read of uninitialized memory with parallel port redirection

    FreeRDP is a free remote desktop protocol library and clients. FreeRDP based clients on unix systems using `/parallel` command line switch might read uninitialized data and send it to the server the client is currently connected to. FreeRDP based server imple…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu
  • Low 2.6
    CVE-2022-39347

    Missing path sanitation with `drive` channel in FreeRDP

    FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP based client to read files outside the shared directo…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-39282.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-39283.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-39316.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-39317.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-39318.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-39319.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-39320.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-39347.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2022-41877.html