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HistoryJul 29, 2020 - 8:27 p.m.

[SECURITY] [DSA 4737-1] xrdp security update

2020-07-2920:27:07
lists.debian.org
46

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.3%


Debian Security Advisory DSA-4737-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
July 29, 2020 https://www.debian.org/security/faq


Package : xrdp
CVE ID : CVE-2020-4044
Debian Bug : 964573

Ashley Newson discovered that the XRDP sessions manager was susceptible
to denial of service. A local attacker can further take advantage of
this flaw to impersonate the XRDP sessions manager and capture any user
credentials that are submitted to XRDP, approve or reject arbitrary
login credentials or to hijack existing sessions for xorgxrdp sessions.

For the stable distribution (buster), this problem has been fixed in
version 0.9.9-1+deb10u1.

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]

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.3%