{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-6378", "ASSIGNER": "vulnerability@ncsc.ch", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "A serialization vulnerability in logback receiver component part of \nlogback version 1.4.11 allows an attacker to mount a Denial-Of-Service \nattack by sending poisoned data.\n\n" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Denial-of-service using poisoned data" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "QOS.CH Sarl", "product": { "product_data": [ { "product_name": "logback", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "1.4.12" }, { "status": "unaffected", "version": "1.3.12" }, { "status": "unaffected", "version": "1.2.13" } ], "defaultStatus": "unaffected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://logback.qos.ch/news.html#1.3.12", "refsource": "MISC", "name": "https://logback.qos.ch/news.html#1.3.12" } ] }, "generator": { "engine": "Vulnogram 0.1.0-dev" }, "source": { "discovery": "EXTERNAL" }, "configuration": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\n
The attacker needs to be able to feed poisoned data to a logback receiver. Thus, the attacker needs to connect to a logback receiver which can be a significant hurdle in itself.
\n\n
" } ], "value": "The attacker needs to be able to feed poisoned data to a logback receiver. Thus, the attacker needs to connect to a logback receiver which can be a significant hurdle in itself.\n\n\n\n\n" } ], "work_around": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Only environments where logback receiver is deployed are vulnerable.
" } ], "value": "Only environments where logback receiver is deployed are vulnerable. \n" } ], "solution": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Only environments where logback receiver component is deployed may be vulnerable.\n In case a logback receiver is deployed, restricting connections to \ntrustworthy clients or upgrading to logback version 1.4.12 or later will remedy the vulnerability.
" } ], "value": "Only environments where logback receiver component is deployed may be vulnerable.\n In case a logback receiver is deployed, restricting connections to \ntrustworthy clients or upgrading to logback version 1.4.12 or later will remedy the vulnerability.\n" } ], "credits": [ { "lang": "en", "value": "Yakov Shafranovich, Amazon Web Services" } ], "impact": { "cvss": [ { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1" } ] } }