CVE-2024-29943

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{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "124.0.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}, {"affectedData": [{"cpes": ["cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "firefox", "vendor": "mozilla", "versions": [{"lessThan": "124.0.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "AF67A695-FAFF-4E59-8169-EAC8C8B7C657", "versionEndExcluding": "124.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1."}, {"lang": "es", "value": "Un atacante pudo realizar una lectura o escritura fuera de los l\u00edmites en un objeto JavaScript enga\u00f1ando la eliminaci\u00f3n de verificaci\u00f3n de los l\u00edmites basada en rangos. Esta vulnerabilidad afecta a Firefox &lt; 124.0.1."}], "id": "CVE-2024-29943", "lastModified": "2026-06-17T07:23:24.433", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-29943", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-07-10T19:34:41.785173Z", "version": "2.0.3"}}]}, "published": "2024-03-22T13:15:07.440", "references": [{"source": "security@mozilla.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2024/03/23/1"}, {"source": "security@mozilla.org", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1886849"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2024-15/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2024/03/23/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1886849"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2024-15/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Manfred Paul via Trend Micro's Zero Day Initiative as the original reporter.", "bugzilla": {"description": "Mozilla: Out-of-bounds access via Range Analysis bypass", "id": "2271107", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2271107"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "(CWE-125|CWE-787)", "details": ["An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.", "A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination."], "name": "CVE-2024-29943", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-29943\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-29943\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2024-15/#CVE-2024-29943"], "statement": "Red Hat Enterprise Linux ships Firefox Extended Support Release (ESR) and therefore it is not affected by this CVE.", "threat_severity": "Critical"}

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