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Debian Security Advisory 5502-1

Debian Linux Security Advisory 5502-1 - Multiple security vulnerabilities have been found in xrdp, a remote desktop protocol server. Buffer overflows and out-of-bound writes may cause a denial of service or other unspecified impact.

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Debian Security Advisory DSA-5502-1 [email protected]
https://www.debian.org/security/ Markus Koschany
September 18, 2023 https://www.debian.org/security/faq


Package : xrdp
CVE ID : CVE-2022-23468 CVE-2022-23477 CVE-2022-23478 CVE-2022-23479
CVE-2022-23480 CVE-2022-23481 CVE-2022-23482 CVE-2022-23483
CVE-2022-23484 CVE-2022-23493
Debian Bug : 1025879

Multiple security vulnerabilities have been found in xrdp, a remote desktop
protocol server. Buffer overflows and out-of-bound writes may cause a denial of
service or other unspecified impact.

For the oldstable distribution (bullseye), these problems have been fixed
in version 0.9.21.1-1~deb11u1.

We recommend that you upgrade your xrdp packages.

For the detailed security status of xrdp please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xrdp

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]
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Related news

Ubuntu Security Notice USN-6474-1

Ubuntu Security Notice 6474-1 - It was discovered that xrdp incorrectly handled validation of client-supplied data, which could lead to out-of-bounds reads. An attacker could possibly use this issue to crash the program or extract sensitive information. It was discovered that xrdp improperly handled session establishment errors. An attacker could potentially use this issue to bypass the OS-level session restrictions by PAM.

CVE-2022-23468: Buffer Overflow in xrdp_login_wnd_create

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a buffer over flow in xrdp_login_wnd_create() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23477: Buffer Overflow in audin_send_open

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a buffer over flow in audin_send_open() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23478: Out of Bound Write in xrdp_mm_trans_process_drdynvc_channel_open

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Write in xrdp_mm_trans_process_drdynvc_channel_open() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23479: Buffer Overflow occurs in xrdp_mm_chan_data_in

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a buffer over flow in xrdp_mm_chan_data_in() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23481: Out-of-Bound Read in xrdp_caps_process_confirm_active

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in xrdp_caps_process_confirm_active() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23482: Out-of-Bound Read in xrdp_sec_process_mcs_data_CS_CORE

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in xrdp_sec_process_mcs_data_CS_CORE() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23483: Out-of-Bound Read in libxrdp_send_to_channel

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in libxrdp_send_to_channel() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23484: Integer Overflow in xrdp_mm_process_rail_update_window_text

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Integer Overflow in xrdp_mm_process_rail_update_window_text() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23493: Out of Bound Read in xrdp_mm_trans_process_drdynvc_channel_close

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue. Users are advised to upgrade.

CVE-2022-23480: Buffer Overflow in devredir_proc_client_devlist_announce_req

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a buffer over flow in devredir_proc_client_devlist_announce_req() function. There are no known workarounds for this issue. Users are advised to upgrade.

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