CVE-2008-1145

CVE-2008-1145 is a medium-severity vulnerability in Ruby-lang Webrick with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 28% (98th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-22
• Affected product: Ruby-lang Webrick
• Published: 2008-03-04
• Last modified: 2026-06-16

Description

Directory traversal vulnerability in WEBrick in Ruby 1.8 before 1.8.5-p115 and 1.8.6-p114, and 1.9 through 1.9.0-1, when running on systems that support backslash (\) path separators or case-insensitive file names, allows remote attackers to access arbitrary files via (1) "..%5c" (encoded backslash) sequences or (2) filenames that match patterns in the :NondisclosureName option.

Frequently asked questions

What is CVE-2008-1145?

Directory traversal vulnerability in WEBrick in Ruby 1.8 before 1.8.5-p115 and 1.8.6-p114, and 1.9 through 1.9.0-1, when running on systems that support backslash (\) path separators or case-insensitive file names, allows remote attackers to access arbitrary files via (1) "..%5c" (encoded backslash) sequences or (2) filenames that match patterns in the :NondisclosureName option.

How severe is CVE-2008-1145?

CVE-2008-1145 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-1145 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1145?

CVE-2008-1145 primarily affects Ruby-lang Webrick. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1145?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-1145 published?

CVE-2008-1145 was published on 2008-03-04 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2008//Jun/msg00002.html
• http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
• http://secunia.com/advisories/29232
• http://secunia.com/advisories/29357
• http://secunia.com/advisories/29536
• http://secunia.com/advisories/30802
• http://secunia.com/advisories/31687
• http://secunia.com/advisories/32371
• http://support.apple.com/kb/HT2163
• http://wiki.rpath.com/Advisories:rPSA-2008-0123
• http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0123
• http://www.kb.cert.org/vuls/id/404515
• http://www.mandriva.com/security/advisories?name=MDVSA-2008:141
• http://www.mandriva.com/security/advisories?name=MDVSA-2008:142
• http://www.redhat.com/support/errata/RHSA-2008-0897.html
• http://www.ruby-lang.org/en/news/2008/03/03/webrick-file-access-vulnerability/
• http://www.securityfocus.com/archive/1/489205/100/0/threaded
• http://www.securityfocus.com/archive/1/489218/100/0/threaded
• http://www.securityfocus.com/archive/1/490056/100/0/threaded
• http://www.securityfocus.com/bid/28123
• http://www.securitytracker.com/id?1019562
• http://www.vupen.com/english/advisories/2008/0787
• http://www.vupen.com/english/advisories/2008/1981/references
• https://exchange.xforce.ibmcloud.com/vulnerabilities/41010
• https://issues.rpath.com/browse/RPL-2338
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10937
• https://www.exploit-db.com/exploits/5215
• https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00338.html
• https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00354.html

Affected products (3)

• cpe:2.3:a:ruby-lang:webrick:-:*:*:*:*:ruby:*:*
• cpe:2.3:o:fedoraproject:fedora:7:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:8:*:*:*:*:*:*:*

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