Input validation error in GNU C Library (glibc) - CVE-2014-7817

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Main Vulnerability Database Vulnerabilities #VU110112

Input validation error in GNU C Library (glibc) - CVE-2014-7817

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


Vulnerability identifier: #VU110112
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-7817
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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 "$((`...`))".


Affected software

GNU C Library (glibc)
Gentoo Linux
Fedora
System x Integrated Management Module (IMM2)
Flex System Integrated Management Module (IMM2)
Integrated Management Module II (IMM2) for BladeCenter Systems
glibc
sys-libs/glibc

How to mitigate CVE-2014-7817

Install update from vendor's website.

System x Integrated Management Module (IMM2) - update to 1AOO68L
Integrated Management Module II (IMM2) for BladeCenter Systems - update to 1AOO68L
Flex System Integrated Management Module (IMM2) - update to 1AOO68L
glibc - update to 2.20-8.fc21
sys-libs/glibc - update to 2.21-r2

External References

Related Security Bulletins