SB2021012911 - Debian update for slurm-llnl

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Main Vulnerability Database SB2021012911

SB2021012911 - Debian update for slurm-llnl

Published: January 29, 2021

Security Bulletin ID SB2021012911
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 25% Low 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Improper Privilege Management (CVE-ID: CVE-2019-19728)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to Slurm executes srun --uid with incorrect privileges. A local user can escalate privileges on the system.


2) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2020-12693)

CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel

CVSSv4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a race condition during authentication process, if Message Aggregation is enabled. A remote non-authenticated attacker can send specially crafted request to the application, bypass authentication process and execute arbitrary code on the system.



3) Buffer overflow (CVE-ID: CVE-2020-27745)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the PMIx MPI plugin. A local user can run a specially crafted program to trigger buffer overflow in RPC implementation and execute arbitrary code on the system with elevated privileges.


4) Race condition (CVE-ID: CVE-2020-27746)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a race condition in the xauth for X11 magic cookies when reading data on the /proc filesystem. A local user can exploit the race and gain unauthorized access to sensitive information.


Remediation

Install update from vendor's website.

References