Integer overflow in Glibc - CVE-2018-6551
Published: April 5, 2018
Vulnerability identifier: #VU11549
CSH Severity: Low
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:Clear
CVE-ID: CVE-2018-6551
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Glibc
Glibc
Detailed vulnerability description
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists in the malloc implementation due to improper handling of malloc calls with arguments close to SIZE_MAX and returning a pointer to a heap region that is smaller than requested. A remote attacker can gain root privileges.
The weakness exists in the malloc implementation due to improper handling of malloc calls with arguments close to SIZE_MAX and returning a pointer to a heap region that is smaller than requested. A remote attacker can gain root privileges.
How to mitigate CVE-2018-6551
Update to version 2.27.