Buffer overflow in GNU C Library (glibc) - CVE-2005-3590
Published: April 10, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU31118
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-2005-3590
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.
The getgrouplist function in the GNU C library (glibc) before version 2.3.5, when invoked with a zero argument, writes to the passed pointer even if the specified array size is zero, leading to a buffer overflow and potentially allowing attackers to corrupt memory.
Affected software
GNU C Library (glibc)
How to mitigate CVE-2005-3590
Install update from vendor's website.
GNU C Library (glibc) - update to 2.3.5