CVE-2018-11236 Information

Description

stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier when processing very long pathname arguments to the realpath function could encounter an integer overflow on 32-bit architectures leading to a stack-based buffer overflow and potentially arbitrary code execution.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/104255 https://access.redhat.com/errata/RHBA-2019:0327 https://access.redhat.com/errata/RHSA-2018:3092 https://security.netapp.com/advisory/ntap-20190329-0001/ https://security.netapp.com/advisory/ntap-20190401-0001/ https://sourceware.org/bugzilla/show_bug.cgi?id=22786 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5460617d1567657621107d895ee2dd83bc1f88f2 https://usn.ubuntu.com/4416-1/ https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8