CVE-2018-11236

HIGH

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.

References

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://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Details

Source: MITRE

Published: 2018-05-18

Updated: 2019-04-25

Type: CWE-190

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL