VulnerabilityModified

CVE-2017-0904

The private_address_check ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network…

HIGH 8.1EPSS 2.42%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.0: 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 2.42% probability · 83th percentile
CISA KEV: Not listed
Weakness: CWE-242, CWE-755
Affected: private address check project/private address check
Source: support@hackerone.com

References

https://edoverflow.com/2017/ruby-resolv-bug/Issue Tracking, Third Party Advisory
https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46afThird Party Advisory
https://github.com/jtdowney/private_address_check/issues/1Issue Tracking, Third Party Advisory
https://hackerone.com/reports/287245Issue Tracking, Mitigation, Patch, Third Party Advisory
https://hackerone.com/reports/287835Permissions Required, Third Party Advisory
https://edoverflow.com/2017/ruby-resolv-bug/Issue Tracking, Third Party Advisory
https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46afThird Party Advisory
https://github.com/jtdowney/private_address_check/issues/1Issue Tracking, Third Party Advisory
https://hackerone.com/reports/287245Issue Tracking, Mitigation, Patch, Third Party Advisory
https://hackerone.com/reports/287835Permissions Required, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.