LTSP LDM up to 2.18.06 Shell LDM_USERNAME privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in LTSP LDM up to 2.18.06. This impacts an unknown function of the component Shell. Such manipulation of the argument LDM_USERNAME leads to privileges management. This vulnerability is referenced as CVE-2019-20373. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in LTSP LDM up to 2.18.06. Affected by this issue is an unknown functionality of the component Shell. The manipulation of the argument LDM_USERNAME with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published 01/09/2020. This vulnerability is handled as CVE-2019-20373 since 01/09/2020. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: git.launchpad.net

Timelineinfo

01/09/2020 🔍
01/09/2020 +0 days 🔍
01/10/2020 +1 days 🔍
03/20/2024 +1531 days 🔍

Sourcesinfo

Advisory: DLA 2064-1
Status: Not defined

CVE: CVE-2019-20373 (🔍)
GCVE (CVE): GCVE-0-2019-20373
GCVE (VulDB): GCVE-100-148520

Entryinfo

Created: 01/10/2020 08:11
Updated: 03/20/2024 14:06
Changes: 01/10/2020 08:11 (35), 01/10/2020 08:16 (17), 03/20/2024 14:06 (19)
Complete: 🔍
Cache ID: 216::103

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