CVE-2018-1000001

CVSS V2 High 7.2 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2018-1000001
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-01-31T14:29:00
  • Last Modified Date
  • 2019-10-03T00:03:26
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* 1 OR 2.26
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/ Third Party Advisory
http://seclists.org/oss-sec/2018/q1/38 Mailing List Third Party Advisory
https://www.exploit-db.com/exploits/43775/ Exploit Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040162 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/102525 Third Party Advisory VDB Entry
https://usn.ubuntu.com/3536-1/ Third Party Advisory
https://usn.ubuntu.com/3534-1/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0805 Third Party Advisory
https://www.exploit-db.com/exploits/44889/ Exploit Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20190404-0003/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-1000001
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000001
History
Created Old Value New Value Data Type Notes
2022-05-10 17:30:44 Added to TrackCVE
2022-12-03 01:37:20 2018-01-31T14:29Z 2018-01-31T14:29:00 CVE Published Date updated
2022-12-03 01:37:20 2019-10-03T00:03:26 CVE Modified Date updated
2022-12-03 01:37:20 Modified Vulnerability Status updated