CVE-2008-1891

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Summary

CVECVE-2008-1891
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2008-04-18 22:05:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionDirectory traversal vulnerability in WEBrick in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2, when using NTFS or FAT filesystems, allows remote attackers to read arbitrary CGI files via a trailing (1) + (plus), (2) %2b (encoded plus), (3) . (dot), (4) %2e (encoded dot), or (5) %20 (encoded space) character in the URI, possibly related to the WEBrick::HTTPServlet::FileHandler and WEBrick::HTTPServer.new functionality and the :DocumentRoot option.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

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

Problem Types: CWE-22 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ruby-lang Ruby 1.8.5 All All All
Application Ruby-lang Ruby 1.8.6 All All All
Application Ruby-lang Ruby All All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Fedora update for ruby - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Arbitrary code execution vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.ruby-lang.org
SUSE Update for Multiple Packages - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Support / Security / Advisories / / MDVSA-2008:141 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
[security-announce] SUSE Security Summary Report SUSE-SR:2008:017 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
aluigi.altervista.org/adv/webrickcgi-adv.txt af854a3a-2127-422b-91ae-364da2661108 aluigi.altervista.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Ruby Multiple Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
[SECURITY] Fedora 9 Update: ruby-1.8.6.230-1.fc9 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Support / Security / Advisories / / MDVSA-2008:140 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2009-06-10Joshua BressersRed Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2008-1891 The risks associated with fixing this flaw outweigh the benefits of the fix. Red Hat does not plan to fix this flaw in Red Hat Enterprise Linux.

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