CVE-2018-1000001

Published: Jan 31, 2018Modified: Nov 21, 2024

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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 (12)

Products: Gnu: Glibc · Canonical: Ubuntu Linux · Redhat: Enterprise Linux Desktop, Enterprise Linux Server, Enterprise Linux Server Aus, Enterprise Linux Server Eus, Enterprise Linux Server Tus, Enterprise Linux Workstation, Virtualization Host

1 product

1 product

7 products

Enterprise Linux Desktop

Enterprise Linux Server

Enterprise Linux Server Aus

Enterprise Linux Server Eus

Enterprise Linux Server Tus

Enterprise Linux Workstation

Virtualization Host

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Glibc	Up to 2.26

Configuration B

4 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 12.04
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 17.10

Configuration C

7 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux Desktop	Version 7.0
Redhat Enterprise Linux Server	Version 7.0
Redhat Enterprise Linux Server Aus	Version 7.6
Redhat Enterprise Linux Server Eus	Version 7.6
Redhat Enterprise Linux Server Tus	Version 7.6
Redhat Enterprise Linux Workstation	Version 7.0
Redhat Virtualization Host	Version 4.0

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (20)

http://seclists.org/oss-sec/2018/q1/38

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/102525

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1040162

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2018:0805

Source: cve@mitre.org

Third Party Advisory

https://security.netapp.com/advisory/ntap-20190404-0003/

Source: cve@mitre.org

https://usn.ubuntu.com/3534-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3536-1/

Source: cve@mitre.org

Third Party Advisory

https://www.exploit-db.com/exploits/43775/

Source: cve@mitre.org

ExploitThird Party AdvisoryVDB Entry

https://www.exploit-db.com/exploits/44889/

Source: cve@mitre.org

ExploitThird Party AdvisoryVDB Entry

https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/

Source: cve@mitre.org

Third Party Advisory

http://seclists.org/oss-sec/2018/q1/38

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/102525

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1040162

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2018:0805

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://security.netapp.com/advisory/ntap-20190404-0003/

Source: af854a3a-2127-422b-91ae-364da2661108

https://usn.ubuntu.com/3534-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/3536-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.exploit-db.com/exploits/43775/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party AdvisoryVDB Entry

https://www.exploit-db.com/exploits/44889/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party AdvisoryVDB Entry

https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.