SB2022012713 - Multiple vulnerabilities in Cloud Foundry cflinuxfs3



SB2022012713 - Multiple vulnerabilities in Cloud Foundry cflinuxfs3

Published: January 27, 2022

Security Bulletin ID SB2022012713
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2017-12424)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In shadow before 4.5, the newusers tool could be made to manipulate internal data structures in ways unintended by the authors. Malformed input may lead to crashes (with a buffer overflow or other memory corruption) or other unspecified behaviors. This crosses a privilege boundary in, for example, certain web-hosting environments in which a Control Panel allows an unprivileged user account to create subaccounts.


2) Privilege escalation (CVE-ID: CVE-2018-7169)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to improper security restrictions when using the newgidmap setuid executable. A local attacker can gain root privileges.

Remediation

Install update from vendor's website.