CVE-2018-1000001
Severity CVSS v4.0:
Pending analysis
Type:
CWE-787
Out-of-bounds Write
Publication date:
31/01/2018
Last modified:
03/10/2019
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.
Impact
Base Score 3.x
7.80
Severity 3.x
HIGH
Base Score 2.0
7.20
Severity 2.0
HIGH
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* | 2.26 (including) | |
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | ||
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* | ||
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* | ||
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | ||
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | ||
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* | ||
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* | ||
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* | ||
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://seclists.org/oss-sec/2018/q1/38
- http://www.securityfocus.com/bid/102525
- http://www.securitytracker.com/id/1040162
- https://access.redhat.com/errata/RHSA-2018:0805
- https://security.netapp.com/advisory/ntap-20190404-0003/
- https://usn.ubuntu.com/3534-1/
- https://usn.ubuntu.com/3536-1/
- https://www.exploit-db.com/exploits/43775/
- https://www.exploit-db.com/exploits/44889/
- https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/