CVE-2017-16927

The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager in xrdp through 0.9.4 uses an untrusted integer as a write length, which allows local users to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted input stream.

CVSS v3.0 8.4 HIGH
CVSS v2.0 7.2 HIGH

8.4^/10

CVSS v3.0 : HIGH

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

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/neutrinolabs/xrdp/pull/958	Issue Tracking Patch
https://lists.debian.org/debian-lts-announce/2017/12/msg00005.html
https://groups.google.com/forum/#!topic/xrdp-devel/PmVfMuy_xBA

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Configurations

Configuration 1 (hide)

cpe:2.3:a:neutrinolabs:xrdp:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Information

Published : 2017-11-22 22:29

Updated : 2020-07-08 08:50

NVD link : CVE-2017-16927

Mitre link : CVE-2017-16927

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

debian

debian_linux

neutrinolabs

xrdp

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