CVE-2018-1000001

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://seclists.org/oss-sec/2018/q1/38Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/102525Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040162Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0805Third Party Advisory
https://security.netapp.com/advisory/ntap-20190404-0003/
https://usn.ubuntu.com/3534-1/Third Party Advisory
https://usn.ubuntu.com/3536-1/Third Party Advisory
https://www.exploit-db.com/exploits/43775/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/44889/Exploit, Third Party Advisory, VDB Entry
https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/Third Party Advisory
http://seclists.org/oss-sec/2018/q1/38Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/102525Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040162Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0805Third Party Advisory
https://security.netapp.com/advisory/ntap-20190404-0003/
https://usn.ubuntu.com/3534-1/Third Party Advisory
https://usn.ubuntu.com/3536-1/Third Party Advisory
https://www.exploit-db.com/exploits/43775/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/44889/Exploit, Third Party Advisory, VDB Entry
https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/Third Party Advisory

Timeline

Published: Jan 31, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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