CVE-2011-1027 (GCVE-0-2011-1027)

Vulnerability from cvelistv5 – Published: 2011-03-20 01:00 – Updated: 2024-08-06 22:14
VLAI?
Summary
Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.osvdb.org/71005 vdb-entryx_refsource_OSVDB
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.securityfocus.com/bid/46756 vdb-entryx_refsource_BID
http://www.vupen.com/english/advisories/2011/0667 vdb-entryx_refsource_VUPEN
http://openwall.com/lists/oss-security/2011/03/07/3 mailing-listx_refsource_MLIST
http://secunia.com/advisories/43788 third-party-advisoryx_refsource_SECUNIA
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
https://bugzilla.redhat.com/show_bug.cgi?id=680905 x_refsource_CONFIRM
http://secunia.com/advisories/43633 third-party-advisoryx_refsource_SECUNIA
http://article.gmane.org/gmane.comp.version-contr… mailing-listx_refsource_MLIST
http://hjemli.net/git/cgit/commit/?h=stable&id=fc… x_refsource_CONFIRM
Show details on NVD website

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    "nvd": "{\"cve\":{\"id\":\"CVE-2011-1027\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2011-03-20T02:00:04.017\",\"lastModified\":\"2025-04-11T00:51:21.963\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.\"},{\"lang\":\"es\",\"value\":\"Error de superaci\u00f3n de l\u00edmite (off-by-one) en la funci\u00f3n convert_query_hexchar en html.c en cgit.cgi en cgit anteriores a v0.8.3.5, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (buble infinito) a trav\u00e9s de una cadena compuesta por un caracter \\\"%\\\" (por ciento) seguido de caracteres hexadecimales no v\u00e1lidos, como se demostr\u00f3 con la secuencia %gg.\"}],\"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-193\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"0.8.3.4\",\"matchCriteriaId\":\"46B95C74-CB63-45DC-B169-128A61B746E9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EED1FFDD-4C04-415A-A6D6-8DAB2998A8AA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"23F704C1-4129-47D9-B844-B3E20696E36D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"434FAA85-D943-4E63-85C9-F0883CEB53E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6DF1115A-A47F-4A4F-8AED-F24302A0DF4C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"374B218F-A4D0-4704-A2A8-74F8A7D5759A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ED123524-4D31-469E-9B2A-504033ACFE46\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EE0D9623-3291-4DD1-9966-2307F7BB20B1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.6.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ED6865FF-0102-46FA-8A2A-23FAC59CF1FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.6.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F8F178CE-4D7E-41CE-AA63-78E516063A7D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1FE3007F-6BDA-42FC-84E0-19E271E6577D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.7.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"69087A94-2220-4F10-ACF4-337541661A1A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.7.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7B0D564C-2F88-42E9-AF86-821DB37C8FD6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3BD8D272-6729-4AEC-8058-6C6644165947\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"73FBD314-B417-4E83-827D-CC91861629B6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9AE4ADD1-765B-4E83-A918-CE0DC1B30948\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"79FE9604-158B-4272-8DD2-A43CEC9885BB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"545A1C08-F649-4226-852F-7AC7FFCA41ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.2.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"783F5116-FD04-4D42-8EAA-C1CEF41A0C00\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6B6063B5-BA90-407C-9068-A853E27C76BB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.3.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4AD828C7-AC59-412C-A560-D5B944D357A5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.3.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"59943A07-8B85-4EB5-B8E7-E4587D472D31\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lars_hjemli:cgit:0.8.3.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF02DFB4-BA4D-4A36-9F0A-E0D04727A206\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2D59BD0-43DE-4E58-A057-640AB98359A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BDE52846-24EC-4068-B788-EC7F915FFF11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9396E005-22D8-4342-9323-C7DEA379191D\"}]}]}],\"references\":[{\"url\":\"http://article.gmane.org/gmane.comp.version-control.git/168493\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Broken 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  }
}


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Sightings

Author Source Type Date

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.


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Detection rules are retrieved from Rulezet.

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