CVE-2010-4020 (GCVE-0-2010-4020)

Vulnerability from cvelistv5 – Published: 2010-12-02 16:00 – Updated: 2024-08-07 03:26
VLAI?
Summary
MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.vupen.com/english/advisories/2010/3094 vdb-entryx_refsource_VUPEN
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://kb.vmware.com/kb/1035108 x_refsource_CONFIRM
http://www.vupen.com/english/advisories/2010/3118 vdb-entryx_refsource_VUPEN
http://www.securityfocus.com/archive/1/514953/100… mailing-listx_refsource_BUGTRAQ
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.vmware.com/security/advisories/VMSA-20… x_refsource_CONFIRM
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://web.mit.edu/kerberos/advisories/MITKRB5-SA… x_refsource_CONFIRM
http://www.vupen.com/english/advisories/2010/3095 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/42399 third-party-advisoryx_refsource_SECUNIA
http://lists.vmware.com/pipermail/security-announ… mailing-listx_refsource_MLIST
http://www.securitytracker.com/id?1024803 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/archive/1/517739/100… mailing-listx_refsource_BUGTRAQ
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.redhat.com/support/errata/RHSA-2010-09… vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-1030-1 vendor-advisoryx_refsource_UBUNTU
http://osvdb.org/69608 vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/45117 vdb-entryx_refsource_BID
http://support.apple.com/kb/HT4581 x_refsource_CONFIRM
Date Public ?
2010-11-30 00:00
Show details on NVD website
To clipboard 

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      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"36823B2B-5C72-4FF3-9301-FB263EB8CE09\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"59AFA33E-FEBC-45F5-9EC6-8AA363163FB5\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"04D83332-B2FD-4E86-A76C-C3F1CD3B3A31\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"758A0011-20ED-414A-9DF3-50A161DF8BC2\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations.\"}, {\"lang\": \"es\", \"value\": \"MIT Kerberos 5 (tambi\\u00e9n conocido como krb5) v1.8.x hasta v1.8.3 no rechaza las sumas de comprobaci\\u00f3n RC4 (clave de derivaci\\u00f3n), lo que podr\\u00eda permitir a usuarios remotos autenticados falsificar un (1) AD-SIGNEDPATH o (2) la firma AD-KDC-ISSUED, y posiblemente obtener privilegios, aprovechando el espacio de claves peque\\u00f1as que resultan de ciertas operaciones de cifrado de flujo de un byte (one-byte).\"}]",
      "id": "CVE-2010-4020",
      "lastModified": "2024-11-21T01:20:04.537",
      "metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.4}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:S/C:N/I:P/A:N\", \"baseScore\": 3.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 6.8, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2010-12-02T16:22:21.207",
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-310\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2010-4020\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2010-12-02T16:22:21.207\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations.\"},{\"lang\":\"es\",\"value\":\"MIT Kerberos 5 (tambi\u00e9n conocido como krb5) v1.8.x hasta v1.8.3 no rechaza las sumas de comprobaci\u00f3n RC4 (clave de derivaci\u00f3n), lo que podr\u00eda permitir a usuarios remotos autenticados falsificar un (1) AD-SIGNEDPATH o (2) la firma AD-KDC-ISSUED, y posiblemente obtener privilegios, aprovechando el espacio de claves peque\u00f1as que resultan de ciertas 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  }
}


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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.