CVE-2008-3443 (GCVE-0-2008-3443)

Vulnerability from cvelistv5 – Published: 2008-08-14 23:00 – Updated: 2024-08-07 09:37
VLAI
Summary
The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://secunia.com/advisories/31430 third-party-advisoryx_refsource_SECUNIA
https://usn.ubuntu.com/651-1/ vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/33185 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2009/dsa-1695 vendor-advisoryx_refsource_DEBIAN
http://support.apple.com/kb/HT3549 x_refsource_CONFIRM
http://www.securityfocus.com/bid/30682 vdb-entryx_refsource_BID
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://securityreason.com/securityalert/4158 third-party-advisoryx_refsource_SREASON
http://secunia.com/advisories/35074 third-party-advisoryx_refsource_SECUNIA
http://support.avaya.com/elmodocs2/security/ASA-2… x_refsource_CONFIRM
http://www.securitytracker.com/id?1021075 vdb-entryx_refsource_SECTRACK
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://www.redhat.com/support/errata/RHSA-2008-08… vendor-advisoryx_refsource_REDHAT
http://www.redhat.com/support/errata/RHSA-2008-08… vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/33398 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/32219 third-party-advisoryx_refsource_SECUNIA
https://www.exploit-db.com/exploits/6239 exploitx_refsource_EXPLOIT-DB
http://www.us-cert.gov/cas/techalerts/TA09-133A.html third-party-advisoryx_refsource_CERT
http://www.vupen.com/english/advisories/2009/1297 vdb-entryx_refsource_VUPEN
https://usn.ubuntu.com/691-1/ vendor-advisoryx_refsource_UBUNTU
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/32371 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/32165 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/32372 third-party-advisoryx_refsource_SECUNIA
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
Date Public
2008-08-13 00:00
Show details on NVD website
To clipboard 

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      "date": "2026-05-29",
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.\"}, {\"lang\": \"es\", \"value\": \"El motor de expresiones regulares (regex.c) en Ruby 1.8.5 y anteriores, 1.8.6 a trav\\u00e9s de p286-1.8.6, 1.8.7 a trav\\u00e9s de 1.8.7-p71, y 1.9 a trav\\u00e9s de r18423 permite a atacantes remotos provocar una denegaci\\u00f3n de servicio (bucle infinito y caida) a trav\\u00e9s de m\\u00faltiples peticiones largas a un socket de Ruby. Esta denegaci\\u00f3n de servicio esta relacionada con un fallo en la asignaci\\u00f3n de memoria, como se ha demostrado contra Webrick.\"}]",
      "id": "CVE-2008-3443",
      "lastModified": "2024-11-21T00:49:16.117",
      "metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2008-08-14T23:41:00.000",
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-399\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2008-3443\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2008-08-14T23:41:00.000\",\"lastModified\":\"2026-04-23T00:35:47.467\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.\"},{\"lang\":\"es\",\"value\":\"El motor de expresiones regulares (regex.c) en Ruby 1.8.5 y anteriores, 1.8.6 a trav\u00e9s de p286-1.8.6, 1.8.7 a trav\u00e9s de 1.8.7-p71, y 1.9 a trav\u00e9s de r18423 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (bucle infinito y caida) a trav\u00e9s de m\u00faltiples peticiones largas a un socket de Ruby. Esta denegaci\u00f3n de servicio esta relacionada con un fallo en la asignaci\u00f3n de memoria, como se ha demostrado contra Webrick.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-399\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.6.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"46086C6A-9068-4959-BEE7-4D76BDEA3962\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16BDFA5C-35BE-4B7E-BD2D-C28B095F62E0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"31160797-6920-4BA1-B355-1CCD1FCDBFC8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.1:-9:*:*:*:*:*:*\",\"matchCriteriaId\":\"BC306E85-66D8-4384-BBC3-92DC99C85FC2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A5675C37-39EF-41EF-9A53-3FCE4CF23820\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.2:preview2:*:*:*:*:*:*\",\"matchCriteriaId\":\"39609530-0A81-481E-BDA4-5A98327EAD11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.2:preview3:*:*:*:*:*:*\",\"matchCriteriaId\":\"C19ADE91-4D9E-43ED-A605-E504B9090119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.2:preview4:*:*:*:*:*:*\",\"matchCriteriaId\":\"D89E3027-C2ED-4CC6-86F5-1B791576B6EF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"46F29ADA-E6DC-456F-9E63-C56C68EF7E5C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.3:preview1:*:*:*:*:*:*\",\"matchCriteriaId\":\"57B1C113-682E-4F7D-BCF0-E30C446C4AC7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.3:preview2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4BAF9471-B532-4194-AB3C-5AA28432FF27\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.3:preview3:*:*:*:*:*:*\",\"matchCriteriaId\":\"51BE9728-A5FE-486A-8DB9-711E46243132\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7AC1B910-C0FA-4943-92B1-597842E84015\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.4:preview1:*:*:*:*:*:*\",\"matchCriteriaId\":\"A78ECCA9-6F07-4A63-8BF7-8D40F2439552\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.4:preview2:*:*:*:*:*:*\",\"matchCriteriaId\":\"14513719-4ED8-4EAB-B4D8-29849B868BA0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.4:preview3:*:*:*:*:*:*\",\"matchCriteriaId\":\"92E3814D-BEEA-4E46-9CED-9D8059727D14\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C80BDE13-9CBB-4A5F-9BF4-BEB907CED271\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p11:*:*:*:*:*:*\",\"matchCriteriaId\":\"CA7D3F32-EFB7-4628-9328-36C6A306B399\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p113:*:*:*:*:*:*\",\"matchCriteriaId\":\"D1A95E9F-AEC5-4AF9-B7D9-52DDDECB7E77\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p114:*:*:*:*:*:*\",\"matchCriteriaId\":\"8C72828E-B572-470B-ACA6-55C34DBAA017\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p115:*:*:*:*:*:*\",\"matchCriteriaId\":\"9328DE73-420B-4280-85A4-ABEFC4679676\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p12:*:*:*:*:*:*\",\"matchCriteriaId\":\"0F382FBD-6163-4A5B-AEB3-A15A843329F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4399121F-9BC7-4A67-8B0B-ED3B94A16D56\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p231:*:*:*:*:*:*\",\"matchCriteriaId\":\"736348AD-4717-477B-BE8C-A0CAB37F3461\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p35:*:*:*:*:*:*\",\"matchCriteriaId\":\"BFE61EB9-2544-4E48-B313-63A99F4F5241\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:p52:*:*:*:*:*:*\",\"matchCriteriaId\":\"9FA7A250-A388-4749-ABC0-06B02DBC3915\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:preview1:*:*:*:*:*:*\",\"matchCriteriaId\":\"6122187F-2371-429A-971B-419B4ACE8E18\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.8.5:preview2:*:*:*:*:*:*\",\"matchCriteriaId\":\"8A42425D-FF21-4863-B43D-EE100DBE6BD7\"},{\"vulnerable\":true,\"cr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  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.