CVE-2018-20096

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:exiv2:exiv2:0.27:rc3:*:*:*:*:*:*", "matchCriteriaId": "CBFE3FF2-3169-4EDD-993E-30A6F7E68B38", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack."}, {"lang": "es", "value": "Existe una sobrelectura de b\u00fafer basada en memoria din\u00e1mica (heap) en la funci\u00f3n Exiv2::tEXtToDataBuf de pngimage.cpp en la versi\u00f3n 0.27-RC3 de Exiv2. Se podr\u00eda realizar un ataque de denegaci\u00f3n de servicio remoto con una entrada especialmente manipulada."}], "id": "CVE-2018-20096", "lastModified": "2026-06-17T01:52:16.457", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-12-12T10:29:00.677", "references": [{"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2019:2101"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/Exiv2/exiv2/issues/590"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:2101"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/Exiv2/exiv2/issues/590"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2019:2101", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "exiv2-0:0.27.0-2.el7_6", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2020:1577", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "exiv2-0:0.27.2-5.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-04-28T00:00:00Z"}, {"advisory": "RHSA-2020:1577", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "gegl-0:0.2.0-39.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-04-28T00:00:00Z"}, {"advisory": "RHSA-2020:1577", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "gnome-color-manager-0:3.28.0-3.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-04-28T00:00:00Z"}, {"advisory": "RHSA-2020:1577", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libgexiv2-0:0.10.8-4.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-04-28T00:00:00Z"}], "bugzilla": {"description": "exiv2: Heap-based buffer over-read in Exiv2::tEXtToDataBuf function resulting in a denial of service", "id": "1660423", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1660423"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-125", "details": ["There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack."], "name": "CVE-2018-20096", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "exiv2", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2018-12-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-20096\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-20096"], "statement": "This issue affects the versions of exiv2 as shipped with Red Hat Enterprise Linux 6. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.\nThis issue affects the versions of exiv2 as shipped with Red Hat Enterprise Linux 7. Red Hat Product Security has rated this issue as having a security impact of Low. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Low"}

{}