CVE-2023-47038

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Este problema ocurre cuando Perl compila una expresi\u00f3n regular manipulada, lo que puede permitir que un atacante controle el desbordamiento de b\u00fafer de bytes en un b\u00fafer asignado en el almacenamiento din\u00e1mico."}], "id": "CVE-2023-47038", "lastModified": "2026-06-17T06:32:01.100", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-47038", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-11-27T20:34:17.016514Z", "version": "2.0.3"}}]}, "published": "2023-12-18T14:15:08.933", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2024:2228"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2024:3128"}, {"source": "secalert@redhat.com", "tags": ["Broken Link", "Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-47038"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2249523"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2024:2228"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2024:3128"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-47038"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2249523"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/Perl/perl5/commit/12c313ce49b36160a7ca2e9b07ad5bd92ee4a010"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/Perl/perl5/commit/7047915eef37fccd93e7cd985c29fe6be54650b6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/Perl/perl5/commit/ff1f9f59360afeebd6f75ca1502f5c3ebf077da3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/aquasecurity/trivy/discussions/8400"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMDZZ4SCEW6FRWZDMXGAKZ35THTAWFG6/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://ubuntu.com/security/CVE-2023-47100"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.suse.com/security/cve/CVE-2023-47100.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:3128", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "perl:5.32-8100020240314121426.9fe1d287", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-22T00:00:00Z"}, {"advisory": "RHSA-2024:2228", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "perl-4:5.32.1-481.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}], "bugzilla": {"description": "perl: Write past buffer end via illegal user-defined Unicode property", "id": "2249523", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2249523"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-122", "details": ["A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.", "A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-47038", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "perl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "perl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "perl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "perl:5.30/perl", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2023-11-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-47038\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-47038\nhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746"], "statement": "For this vulnerability in Perl, a successful exploitation may involve navigating through intricate aspects of the code related to user-defined Unicode properties and executing an attack that writes past the buffer end. So the higher attack complexity implies that it would be more challenging for an attacker to exploit this vulnerability successfully, requiring a greater level of sophistication and effort. Due to this elevated level of difficulty, the vulnerability has been marked with a moderate severity rating.", "threat_severity": "Moderate"}

{}