CVE-2009-4492

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Summary

CVECVE-2009-4492
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2010-01-13 20:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionWEBrick 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.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: NVD-CWE-noinfo | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ruby-lang Ruby All All All All
Application Ruby-lang Ruby All All All All
Application Ruby-lang Ruby All All All All
Application Ruby-lang Webrick 1.3.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Permissions Required
WEBrick has an Escape Sequence Injection vulnerability af854a3a-2127-422b-91ae-364da2661108 www.ruby-lang.org Patch, Vendor Advisory
www.ush.it/team/ush/hack_httpd_escape/adv.txt af854a3a-2127-422b-91ae-364da2661108 www.ush.it Broken Link, Exploit
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
Ruby WEBrick Input Validation Flaw Lets Remote Users Inject Terminal Commands - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 securitytracker.com Broken Link, Exploit, Third Party Advisory, VDB Entry
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Broken Link, Third Party Advisory, VDB Entry
Ruby WEBrick Terminal Escape Sequences Weakness - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Not Applicable, Vendor Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
Ruby WEBrick Terminal Escape Sequence in Logs Command Injection Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Broken Link, Exploit, Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2010-01-21Tomas HogerRed Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-4492 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
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