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
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2339 records in the last 180 days details
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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            "url": "http://www.vmware.com/security/advisories/VMSA-2011-0007.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.vupen.com/english/advisories/2010/3094"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.vupen.com/english/advisories/2010/3095"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.vupen.com/english/advisories/2010/3118"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-310"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T13:01:19+00:00",
      "cve": "CVE-2010-4020",
      "id": "CVE-2010-4020",
      "initial_release_date": "2010-11-30T00:00:00+00:00",
      "product_status:fixed": "222",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "krb5: krb5 may accept authdata checksums with low-entropy derived keys (MITKRB5-SA-2010-007)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2010/cve-2010-4020.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T02:14:28Z",
      "cve": "CVE-2010-4020",
      "id": "CVE-2010-4020",
      "initial_release_date": "2023-02-15T05:56:18Z",
      "product_status:recommended": "248",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2010-4020",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2010-4020.json",
      "version": "20"
    }
  }
}



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Sightings

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