CVEvulnerability

CVE-2018-1000001

7.8 HIGH Published 2018-01-31 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-01-31
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-787

Description

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.

Affected configurations

• gnu glibc (<= 2.26) • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 17.10 • redhat virtualization host 4.0 • redhat enterprise linux desktop 7.0 • redhat enterprise linux server 7.0 • redhat enterprise linux server aus 7.6 • redhat enterprise linux server eus 7.6 • redhat enterprise linux server tus 7.6 • redhat enterprise linux workstation 7.0

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References