SB2023021345 - Input validation error in Glibc

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Main Vulnerability Database SB2023021345

SB2023021345 - Input validation error in Glibc

Published: February 13, 2023 Updated: June 3, 2025

Security Bulletin ID SB2023021345
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2014-7817)

The vulnerability allows a local user to read and manipulate data.

The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((`...`))".


Remediation

Install update from vendor's website.

References