Memory corruption in Glibc - CVE-2017-15670

 

Memory corruption in Glibc - CVE-2017-15670

Published: April 5, 2018


Vulnerability identifier: #VU11544
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2017-15670
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Glibc

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code with elevated privileges on the target system.

The weakness exists in the glob function in glob.c due to off-by-one error. A remote attacker can trigger heap-based buffer overflow and execute arbitrary code with root privileges.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2017-15670

Update to version 2.27.

Sources