{"id":"CVE-2024-12798","state":"PUBLISHED","title":"JaninoEventEvaluator vulnerability","description":"ACE vulnerability in JaninoEventEvaluator  by QOS.CH logback-core\n      upto including version 0.1 to 1.3.14 and 1.4.0 to 1.5.12 in Java applications allows\n      attacker to execute arbitrary code by compromising an existing\n      logback configuration file or by injecting an environment variable\n      before program execution.\n\n\n\n\n\nMalicious logback configuration files can allow the attacker to execute \narbitrary code using the JaninoEventEvaluator extension.\n\n\n\nA successful attack requires the user to have write access to a \nconfiguration file. Alternatively, the attacker could inject a malicious \nenvironment variable pointing to a malicious configuration file. In both \ncases, the attack requires existing privilege.","publishedAt":"2024-12-19T15:14:21.598Z","updatedAt":"2025-01-03T13:38:58.152Z","severity":{"score":5.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/RE:L/U:Clear","source":"NCSC.ch"},"assigner":"NCSC.ch","products":["QOS.CH Sarl Logback-core"],"affected":[{"vendor":"QOS.CH Sarl","product":"Logback-core","defaultStatus":"unaffected","versions":[{"version":"0.1","status":"affected","lessThanOrEqual":"1.3.14","versionType":"maven"},{"version":"1.4.0","status":"affected","lessThanOrEqual":"1.5.12","versionType":"maven"},{"version":"1.3.15","status":"unaffected"},{"version":"1.5.13","status":"unaffected"}],"modules":["logback-core"]}],"references":["https://logback.qos.ch/news.html#1.5.13","https://logback.qos.ch/news.html#1.3.15"],"weaknesses":["CWE-917"],"ingestedAt":"2026-10-29T20:06:50.777Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/12xxx/CVE-2024-12798.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-12798","state":"PUBLISHED","datePublished":"2024-12-19T15:14:21.598Z","dateUpdated":"2025-01-03T13:38:58.152Z","assignerShortName":"NCSC.ch","assignerOrgId":"455daabc-a392-441d-aa46-37d35189897c","dateReserved":"2024-12-19T14:21:00.178Z"},"containers":{"cna":{"title":"JaninoEventEvaluator vulnerability","descriptions":[{"lang":"en","value":"ACE vulnerability in JaninoEventEvaluator  by QOS.CH logback-core\n      upto including version 0.1 to 1.3.14 and 1.4.0 to 1.5.12 in Java applications allows\n      attacker to execute arbitrary code by compromising an existing\n      logback configuration file or by injecting an environment variable\n      before program execution.\n\n\n\n\n\nMalicious logback configuration files can allow the attacker to execute \narbitrary code using the JaninoEventEvaluator extension.\n\n\n\nA successful attack requires the user to have write access to a \nconfiguration file. Alternatively, the attacker could inject a malicious \nenvironment variable pointing to a malicious configuration file. In both \ncases, the attack requires existing privilege."}],"affected":[{"vendor":"QOS.CH Sarl","product":"Logback-core","defaultStatus":"unaffected","versions":[{"version":"0.1","status":"affected","lessThanOrEqual":"1.3.14","versionType":"maven"},{"version":"1.4.0","status":"affected","lessThanOrEqual":"1.5.12","versionType":"maven"},{"version":"1.3.15","status":"unaffected"},{"version":"1.5.13","status":"unaffected"}],"modules":["logback-core"]}],"references":[{"url":"https://logback.qos.ch/news.html#1.5.13"},{"url":"https://logback.qos.ch/news.html#1.3.15"}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":5.9,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","providerUrgency":"CLEAR","subAvailabilityImpact":"LOW","subConfidentialityImpact":"LOW","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/RE:L/U:Clear","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"LOW"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-917","description":"CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"NCSC.ch","orgId":"455daabc-a392-441d-aa46-37d35189897c","dateUpdated":"2025-01-03T13:38:58.152Z"},"credits":[{"lang":"en","type":"finder","value":"7asecurity"}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"No known exploitation<br>"}],"value":"No known exploitation"}],"impacts":[{"capecId":"CAPEC-242","descriptions":[{"lang":"en","value":"CAPEC-242 Code Injection"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Remove Janino from the Java classpath. Alternatively, update to logback \nversion 1.5.13 or later. If you are using the 1.3.x series, update to \nlogback version 1.3.15 or later. Note that the 1.4.x series remains \nvulnerable."}],"value":"Remove Janino from the Java classpath. Alternatively, update to logback \nversion 1.5.13 or later. If you are using the 1.3.x series, update to \nlogback version 1.3.15 or later. Note that the 1.4.x series remains \nvulnerable."}],"source":{"discovery":"EXTERNAL"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Remove Janino from the Java classpath. Alternatively, update to logback \nversion 1.5.13 or later. If you are using the 1.3.x series, update to \nlogback version 1.3.15 or later. Note that the 1.4.x series remains \nvulnerable."}],"value":"Remove Janino from the Java classpath. Alternatively, update to logback \nversion 1.5.13 or later. If you are using the 1.3.x series, update to \nlogback version 1.3.15 or later. Note that the 1.4.x series remains \nvulnerable."}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-12-20T20:17:18.406704Z","id":"CVE-2024-12798","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-12-20T20:17:33.360Z"}}]}}}