SB2020120413 - openEuler 20.03 LTS update for cpio

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Main Vulnerability Database SB2020120413

SB2020120413 - openEuler 20.03 LTS update for cpio

Published: December 4, 2020

Security Bulletin ID SB2020120413
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2016-2037)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The cpio_safer_name_suffix function in util.c in cpio 2.11 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted cpio file.


2) Input validation error (CVE-ID: CVE-2019-14866)

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

The vulnerability exists due to GNU cpio does not properly validate files when writing tar headers during tar archive creation. A local user can trick the victim into creating a tar archive out of a directory with specially crafted files. As a result the generated archive may contain files that the attacker does not have access to.


Remediation

Install update from vendor's website.

References