vulnerability
Ubuntu: USN-4533-1 (CVE-2019-20373): ldm vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Jan 9, 2020 | Sep 23, 2020 | May 27, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Jan 9, 2020
Added
Sep 23, 2020
Modified
May 27, 2025
Description
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.
Solution
ubuntu-upgrade-ldm
References
- CVE-2019-20373
- https://attackerkb.com/topics/CVE-2019-20373
- DEBIAN-DSA-4601
- NVD-CVE-2019-20373
- UBUNTU-USN-4533-1
- URL-https://bugs.launchpad.net/ubuntu/+source/ldm/+bug/1839431
- URL-https://git.launchpad.net/~ltsp-upstream/ltsp/+git/ldm/commit/?id=c351ac69ef63ed6c84221cef73e409059661b8ba
- URL-https://ubuntu.com/security/notices/USN-4533-1
- URL-https://www.cve.org/CVERecord?id=CVE-2019-20373
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