CVE-2020-1739

Description

A flaw was found in Ansible Engine. When a password is set with the argument "password" of svn module, it is used on svn command line, disclosing to other users within the same node. An attacker could take advantage by reading the cmdline file from that particular PID on the procfs.

Statement

Ansible Engine 2.7.16, 2.8.10, and 2.9.6 as well as previous versions are affected.

Ansible Tower 3.4.5, 3.5.5 and 3.6.3 as well as previous versions are affected.

In Red Hat OpenStack Platform, because the flaw has a lower impact, ansible is not directly customer exposed, and the fix would require a substantial amount of development, no update will be provided at this time for the RHOSP ansible package.

Mitigation

Instead of using the parameter 'password' of the subversion module, provide the password with stdin.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

CVSS v3 Score Breakdown

Red HatNVDcve.org
Base Score3.93.9N/A
Attack VectorLocalLocalN/A
Attack ComplexityLowLowN/A
Privileges RequiredLowLowN/A
User InteractionRequiredRequiredN/A
ScopeUnchangedUnchangedN/A
ConfidentialityLowLowN/A
Integrity ImpactLowLowN/A
Availability ImpactNoneNoneN/A

Vector

Red Hat: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

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

Understanding the Weakness (CWE)

CWE-200

Confidentiality

Technical Impact: Read Application Data

Acknowledgements

Red Hat would like to thank Damien Aumaitre (Quarkslab) and Nicolas Surbayrole (Quarkslab) for reporting this issue.

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