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v\u00e1lido."}], "evaluatorImpact": "Per: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-004.txt\r\n\r\n\r\n\"Only releases krb5-1.3 and later are vulnerable, as\r\nearlier releases did not contain the functionality implemented by the\r\nvulnerable code.\r\n\r\nThis is an implementation vulnerability in MIT krb5, and is not a\r\nvulnerability in the Kerberos protocol.\"", "evaluatorSolution": "Per: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-004.txt\r\n\r\n\r\nFIXES\r\n=====\r\n\r\n* The upcoming krb5-1.7.1 and krb5-1.6.4 releases will contain a fix\r\n for this vulnerability.\r\n\r\n* For the krb5-1.7 release, apply the patch available at:\r\n\r\n http://web.mit.edu/kerberos/advisories/2009-004-patch_1.7.txt\r\n\r\n A PGP-signed patch is available at\r\n\r\n http://web.mit.edu/kerberos/advisories/2009-004-patch_1.7.txt.asc\r\n\r\n\r\n* For the krb5-1.6 releases, apply the patch available at:\r\n\r\n http://web.mit.edu/kerberos/advisories/2009-004-patch_1.6.3.txt\r\n\r\n A PGP-signed patch is available at\r\n\r\n http://web.mit.edu/kerberos/advisories/2009-004-patch_1.6.3.txt.asc\r\n\r\n* The krb5-1.6.3 patch might apply successfully to older releases.\r\n", "id": "CVE-2009-4212", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2010-01-13T19:30:00.607", "references": [{"source": "cve@mitre.org", "url": 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"af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11272"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7357"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8192"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://rhn.redhat.com/errata/RHSA-2010-0029.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://rhn.redhat.com/errata/RHSA-2010-0095.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2010:0029", "cpe": "cpe:/o:redhat:enterprise_linux:3", "package": "krb5-0:1.2.7-71", "product_name": "Red Hat Enterprise Linux 3", "release_date": "2010-01-12T00:00:00Z"}, {"advisory": "RHSA-2010:0029", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "krb5-0:1.3.4-62.el4_8.1", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2010-01-12T00:00:00Z"}, {"advisory": "RHSA-2010:0029", "cpe": "cpe:/o:redhat:rhel_eus:4.7", "package": "krb5-0:1.3.4-60.el4_7.3", "product_name": "Red Hat Enterprise Linux 4.7 Z Stream", "release_date": "2010-01-12T00:00:00Z"}, {"advisory": "RHSA-2010:0029", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "krb5-0:1.6.1-36.el5_4.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2010-01-12T00:00:00Z"}, {"advisory": "RHSA-2010:0029", "cpe": "cpe:/o:redhat:rhel_eus:5.2", "package": "krb5-0:1.6.1-25.el5_2.3", "product_name": "Red Hat Enterprise Linux 5.2 Z Stream", "release_date": "2010-01-12T00:00:00Z"}, {"advisory": "RHSA-2010:0029", "cpe": "cpe:/o:redhat:rhel_eus:5.3", "package": "krb5-0:1.6.1-31.el5_3.4", "product_name": "Red Hat Enterprise Linux 5.3.Z - Server Only", "release_date": "2010-01-12T00:00:00Z"}], "bugzilla": {"description": "krb: KDC integer overflows in AES and RC4 decryption routines (MITKRB5-SA-2009-004)", "id": "545015", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=545015"}, "csaw": false, "cvss": {"cvss_base_score": "10.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-190->CWE-119", "details": ["Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3, and 1.7 before 1.7.1, allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by providing ciphertext with a length that is too short to be valid."], "name": "CVE-2009-4212", "public_date": "2010-01-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-4212\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-4212"], "threat_severity": "Critical"}

{}