Description
WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
Published: 2010-01-13
Score: 7.5 High
EPSS: 17.7% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-6mq2-37j5-w6r6 WEBrick Improper Input Validation vulnerability
Ubuntu USN Ubuntu USN USN-900-1 Ruby vulnerabilities
History

No history.

Subscriptions

Redhat Enterprise Linux
Ruby-lang Ruby Webrick
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T07:01:20.327Z

Reserved: 2009-12-30T00:00:00.000Z

Link: CVE-2009-4492

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2010-01-13T20:30:00.530

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-4492

cve-icon Redhat

Severity : Low

Publid Date: 2010-01-11T00:00:00Z

Links: CVE-2009-4492 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses