Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. Versions up to 0.10.5 allow an authenticated remote user to execute arbitrary commands on the server due to an unsafe handling of the AlternateShell parameter in xrdp-sesman. When the AllowAlternateShell setting is enabled which is the default when not explicitl...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a “Out of Bound Read” vulnerability in the xrdpsecprocessmcsdataCSCORE function. There are no known workarounds for this issue...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp v0.9.21 contains a “Out of Bound Read” issue in the xrdpmmtransprocessdrdynvcchannelclose function. There are no known solutions to this problem. Users are advis...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a buffer overflow in the audinsendopen function. There are no known workarounds for this issue. Users are advised to upgrade...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. Versions up to 0.10.5 have a heap-based buffer overflow in the EGFX graphics dynamic virtual channel implementation, due to insufficient validation of client-controlled size parameters. This allows for out-of-bounds writes via crafted PDUs. Pre-authentication...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login interface to remote machines using the Microsoft Remote Desktop Protocol RDP. Version 0.9.21 and earlier of xrdp contain an integer overflow in the xrdpmmprocessrailupdatewindowtext function. There are no known solutions to this issue...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a buffer overflow in the xrdpmmchandatain function. There are no known workarounds for this issue. Users are advised to upgrade...

Astra Linux – Vulnerability in xrdp

XRDPTRP is an open-source remote desktop protocol server. Access to the font glyphs in xrdppainter.c is not bounded. Since some of this data is controllable by the user, this can lead to an out-of-bounds read within the xrdp executable. The vulnerability allows for an out-of-bounds read within a...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. Versions of xrdp prior to 0.10.0 have a vulnerability that allows attackers to make an infinite number of login attempts. The number of maximum login attempts is supposed to be limited by a configuration parameter MaxLoginRetry in /etc/xrdp/sesman.ini. However,...

Astra Linux – Vulnerability in xrdp

XRDPT is an open-source remote desktop protocol RDP server. In affected versions, an integer underflow leading to a heap overflow in the SESMAN server allows any unauthenticated attacker who can access the SESMAN server locally to execute code as root. This vulnerability has been patched in versi...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. Versions up to 0.10.5 contain a heap-based buffer overflow vulnerability in its login process. In environments where domainuserseparator is configured in xrdp.ini, an unauthenticated remote attacker can send a crafted, excessively long username and domain name,...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. Versions up to 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size of reassembled fragmented virtual channel data against its...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. In versions up to 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the “Classic RDP Security” layer. Although the sender correctly generates these signatures, the receiving side...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. Versions up to 0.10.5 contain an out-of-bounds read vulnerability during the RDP capability exchange phase. The issue occurs when memory is accessed before validating the remaining buffer length. A remote, unauthenticated attacker can exploit this vulnerability ...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. Versions up to 0.10.5 have a out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can exploit this flaw by sending a specially crafted sequence of packets during the initial connection phase. Th...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source RDP server. In versions up to 0.10.5, the session execution component did not properly handle an error during the privilege drop process. This improper privilege management could allow an authenticated local attacker to escalate privileges to root and execute arbitrary code...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a “Out of Bound Read” issue in the libxrdpsendtochannel function. There are no known solutions to this problem. Users are advise...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login interface for accessing remote machines using the Microsoft Remote Desktop Protocol RDP. Version 0.9.21 and earlier of xrdp contain a buffer overflow in the xrdploginwndcreate function. There are no known solutions to this issue. User...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a bug in the xrdpmmtransprocessdrdynvcchannelopen function. There are no known solutions to this issue. Users are advised to...

Astra Linux – Vulnerability in xrdp

XRDPT is an open-source remote desktop protocol RDP server. In versions prior to 0.9.23, improper handling of session establishment errors allowed bypassing OS-level session restrictions. The authstartsession function could return a non-zero value 1 in the event of, for example, PAM errors. This...