cve-2021-45046
Vulnerability from cvelistv5
Published
2021-12-14 16:55
Modified
2024-08-04 04:32
Severity ?
Summary
Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack
References
security@apache.orghttp://www.openwall.com/lists/oss-security/2021/12/14/4Mailing List, Mitigation, Third Party Advisory
security@apache.orghttp://www.openwall.com/lists/oss-security/2021/12/15/3Mailing List, Third Party Advisory
security@apache.orghttp://www.openwall.com/lists/oss-security/2021/12/18/1Mailing List, Third Party Advisory
security@apache.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-397453.pdfThird Party Advisory
security@apache.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-479842.pdfThird Party Advisory
security@apache.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-661247.pdfThird Party Advisory
security@apache.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-714170.pdfThird Party Advisory
security@apache.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOKPQGV24RRBBI4TBZUDQMM4MEH7MXCY/Mailing List, Release Notes
security@apache.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SIG7FZULMNK2XF6FZRU4VWYDQXNMUGAJ/Mailing List, Release Notes
security@apache.orghttps://logging.apache.org/log4j/2.x/security.htmlMitigation, Release Notes, Vendor Advisory
security@apache.orghttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032Third Party Advisory
security@apache.orghttps://security.gentoo.org/glsa/202310-16Third Party Advisory
security@apache.orghttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbdThird Party Advisory
security@apache.orghttps://www.cve.org/CVERecord?id=CVE-2021-44228Not Applicable
security@apache.orghttps://www.debian.org/security/2021/dsa-5022Third Party Advisory
security@apache.orghttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.htmlThird Party Advisory
security@apache.orghttps://www.kb.cert.org/vuls/id/930724Third Party Advisory, US Government Resource
security@apache.orghttps://www.oracle.com/security-alerts/alert-cve-2021-44228.htmlThird Party Advisory
security@apache.orghttps://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
security@apache.orghttps://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
security@apache.orghttps://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
Impacted products
Apache Software FoundationApache Log4j
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2023-05-01

Due date: 2023-05-22

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: https://logging.apache.org/log4j/2.x/security.html; https://nvd.nist.gov/vuln/detail/CVE-2021-45046

Show details on NVD website

To clipboard 

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      "cwes": "[\"CWE-917\"]",
      "dateAdded": "2023-05-01",
      "dueDate": "2023-05-22",
      "knownRansomwareCampaignUse": "Known",
      "notes": "https://logging.apache.org/log4j/2.x/security.html; https://nvd.nist.gov/vuln/detail/CVE-2021-45046",
      "product": "Log4j2",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.",
      "vendorProject": "Apache",
      "vulnerabilityName": "Apache Log4j2 Deserialization of Untrusted Data Vulnerability"
    },
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Esto podr\u00eda permitir a los atacantes con control sobre los datos de entrada de Thread Context Map (MDC) cuando la configuraci\u00f3n de registro utiliza un Pattern Layout no predeterminado con un Context Lookup (por ejemplo, $${ctx:loginId}) o un Thread Context Map pattern (%X, %mdc, o %MDC) para elaborar datos de entrada maliciosos utilizando un patr\u00f3n JNDI Lookup que resulta en una fuga de informaci\u00f3n y ejecuci\u00f3n de c\u00f3digo remoto en algunos entornos y ejecuci\u00f3n de c\u00f3digo local en todos los entornos. 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  }
}


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