Home/CVE/In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before th
CVE

CVE-2018-1000001

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before th

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.

HIGH · CVSS 7.8 EPSS 0.41417
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Weakness Classification

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Jan 2018 · 02:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Advisories

12
suse-csafopenSUSE-SU-2024:10792-1
suse-csafSUSE-SU-2018:2187-1
suse-csafSUSE-SU-2018:0565-1
suse-csafSUSE-SU-2018:0451-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/oss-sec/2018/q1/38Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/102525Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040162Third Party AdvisoryVDB Entry
https://usn.ubuntu.com/3534-1/Third Party Advisory
https://usn.ubuntu.com/3536-1/Third Party Advisory
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