CVE-2019-20373

LTSP LDM through 2.18.06 allows fat-client root access because the LDM_USERNAME variable may have an empty value if the user's shell lacks support for Bourne shell syntax. This is related to a run-x-session script.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

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://git.launchpad.net/~ltsp-upstream/ltsp/+git/ldm/commit/?id=c351ac69ef63ed6c84221cef73e409059661b8ba	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00007.html	Mailing List Patch Third Party Advisory
https://www.debian.org/security/2020/dsa-4601	Third Party Advisory
https://git.launchpad.net/~ltsp-upstream/ltsp/+git/ldm/commit/?id=c351ac69ef63ed6c84221cef73e409059661b8ba	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00007.html	Mailing List Patch Third Party Advisory
https://www.debian.org/security/2020/dsa-4601	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Configuration 2 (hide)

cpe:2.3:a:ltsp:ldm:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-01-09 23:15

Updated : 2024-11-21 04:38

NVD link : CVE-2019-20373

Mitre link : CVE-2019-20373

CVE.ORG link : CVE-2019-20373

JSON object : View

Products Affected

ltsp

ldm

debian

debian_linux

CWE

NVD-CWE-noinfo

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