CVE-2018-16396

HIGHScheduled

Published:Nov 16, 2018(7 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo Interaction

Vulnerability Description

An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.

Attack Characteristics

Network AccessHigh ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
ruby-lang	ruby	2.3.0 - 2.3.7	-
ruby-lang	ruby	2.4.0 - 2.4.4	-
ruby-lang	ruby	2.5.0 - 2.5.1

Timeline

Published
CVE disclosed publicly
Nov 16, 20187 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

https://access.redhat.com/errata/RHSA-2019:2028
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036....
http://www.securitytracker.com/id/1042106Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3729Third Party Advisory

CVSS Score

v3.1

8.1/ 10.0

HIGH

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

At a Glance

Affected Products

References

ruby-lang / ruby

https://access.redhat.com/errata/RHSA-2018:3730Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3731Third Party Advisory

https://lists.debian.org/debian-lts-announce/2018/10/msg00020.htmlThird Party Advisory

https://security.netapp.com/advisory/ntap-20190221-0002/Third Party Advisory

https://usn.ubuntu.com/3808-1/Third Party Advisory

https://www.debian.org/security/2018/dsa-4332Third Party Advisory

https://www.ruby-lang.org/en/news/2018/10/17/not-propagated-taint-flag...Vendor Advisory

https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/Release Notes

https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/Release Notes

https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/Release Notes

https://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-relea...Release Notes

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036....

http://www.securitytracker.com/id/1042106Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3729Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3730Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3731Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:2028

https://hackerone.com/reports/385070Permissions Required

https://lists.debian.org/debian-lts-announce/2018/10/msg00020.htmlThird Party Advisory

https://security.netapp.com/advisory/ntap-20190221-0002/Third Party Advisory

https://usn.ubuntu.com/3808-1/Third Party Advisory

https://www.debian.org/security/2018/dsa-4332Third Party Advisory

https://www.ruby-lang.org/en/news/2018/10/17/not-propagated-taint-flag...Vendor Advisory

https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/Release Notes

https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/Release Notes

https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/Release Notes

https://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-relea...Release Notes

https://hackerone.com/reports/385070Permissions Required

CVSS v3 Vector

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

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Impact Analysis

ConfidentialityHigh

NoneLowHigh

IntegrityHigh

NoneLowHigh

AvailabilityHigh

NoneLowHigh

CVE-2018-16396

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description