Insecure DLL loading in Glibc - CVE-2017-16997
Published: April 4, 2018 / Updated: April 5, 2018
Vulnerability identifier: #VU11547
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-16997
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Glibc
Glibc
Detailed vulnerability description
The vulnerability allows a local attacker to compromise vulnerable system.
The weakness exists in elf/dl-load.c due to insecure .dll loading mechanism when opening files. Alocal attacker can place a file along with specially crafted .dll file on a remote SBM or WebDAV share and execute arbitrary code on the target system with elevated privileges.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2017-16997
Update to version 2.27.