CVE-2018-3759

Description

private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to the address the socket uses not being checked. DNS entries with a TTL of 0 can trigger this case where the initial resolution is a public address but the subsequent resolution is a private address.

Risk Information

Base Score

3.7

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.18

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2018-3759 are fixed in Ruby-private_address_check 0.5.0	Windows
Vulnerabilities CVE-2018-3759 are fixed in Ruby-private_address_check for Linux 0.5.0	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234