CVE-2018-17156

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Published Nov 28, 2018 CVSS 3.0 · 5.9 Medium EPSS 1.6% KEV · Not listed

Description

In FreeBSD before 11.2-STABLE(r340268) and 11.2-RELEASE-p5, due to incorrectly accounting for padding on 64-bit platforms, a buffer underwrite could occur when constructing an ICMP reply packet when using a non-standard value for the net.inet.icmp.quotelen sysctl.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

FreeBSD

FreeBSD

affected

Version	Status	Constraints
`FreeBSD 11.2 before 11.2-RELEASE-p5`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:freebsd:freebsd::::::::
	cpe:2.3:o:freebsd:freebsd:11.2:p5::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2018-8931	In FreeBSD before 11.2-STABLE(r340268) and 11.2-RELEASE-p5, due to incorrectly accounting for padding on 64-bit platforms, a buffer underwrite could occur when constructing an ICMP reply packet when using a non-standard value for the net.inet.icmp.quotelen sysctl.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.6% (1.629% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securityfocus.com/bid/106052
https://security.freebsd.org/advisories/FreeBSD-EN-18:13.icmp.asc

History

No history.

Subscriptions

Freebsd Freebsd

Weaknesses

CWE-787

Sources

CVE record Updated: Aug 5, 2024, 10:39 AM

Status: PUBLISHED
Assigner: freebsd
Published: Nov 28, 2018, 4:00 PM
Updated: Aug 5, 2024, 10:39 AM
Reserved: Sep 18, 2018, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:45 AM

Status: Modified
Published: Nov 28, 2018, 4:29 PM
Modified: Jun 17, 2026, 1:45 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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