Buffer overflow in GNU C Library (glibc) - CVE-2014-9984
Published: June 13, 2019 / Updated: June 3, 2025
Vulnerability identifier: #VU110096
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-9984
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
nscd in the GNU C Library (aka glibc or libc6) before version 2.20 does not correctly compute the size of an internal buffer when processing netgroup requests, possibly leading to an nscd daemon crash or code execution as the user running nscd.
Affected software
GNU C Library (glibc)
How to mitigate CVE-2014-9984
Install update from vendor's website.
GNU C Library (glibc) - update to 2.20
External References
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- http://seclists.org/fulldisclosure/2019/Jun/18
- http://seclists.org/fulldisclosure/2019/Sep/7
- http://www.securityfocus.com/bid/99071
- https://seclists.org/bugtraq/2019/Jun/14
- https://seclists.org/bugtraq/2019/Sep/7
- https://sourceware.org/bugzilla/show_bug.cgi?id=16695
- https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commit;h=c44496df2f090a56d3bf75df930592dac6bba46f