CVE-2021-29473

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The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as `insert`. The bug is fixed in version v0.27.4. Please see our security policy for information about Exiv2 security."}], "affected": [{"vendor": "Exiv2", "product": "exiv2", "versions": [{"version": "< 0.27.4", "status": "affected"}]}], "references": [{"url": "https://github.com/Exiv2/exiv2/security/advisories/GHSA-7569-phvm-vwc2"}, {"url": "https://github.com/github/advisory-review/pull/1587"}, {"url": "https://github.com/Exiv2/exiv2/security/policy"}, {"name": "FEDORA-2021-10d7331a31", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/"}, {"name": "FEDORA-2021-2d860da728", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWZLDECIXXW3CCZ3RS4A3NG5X5VE4WZM/"}, {"name": "FEDORA-2021-96a5dabcfa", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LBKWLTXM7IKZ4PVGKLUQVAVFAYGGF7QR/"}, {"name": "FEDORA-2021-be94728b95", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/"}, {"name": "DSA-4958", "tags": ["vendor-advisory"], "url": "https://www.debian.org/security/2021/dsa-4958"}, {"name": "[debian-lts-announce] 20210830 [SECURITY] [DLA 2750-1] exiv2 security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"}, {"name": "GLSA-202312-06", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202312-06"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 2.5, "baseSeverity": "LOW"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "{\"CWE-125\":\"Out-of-bounds Read\"}", "cweId": "CWE-125"}]}], "source": {"advisory": "GHSA-7569-phvm-vwc2", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:11:05.516Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/Exiv2/exiv2/security/advisories/GHSA-7569-phvm-vwc2", "tags": ["x_transferred"]}, {"url": "https://github.com/github/advisory-review/pull/1587", "tags": ["x_transferred"]}, {"url": "https://github.com/Exiv2/exiv2/security/policy", "tags": ["x_transferred"]}, {"name": "FEDORA-2021-10d7331a31", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/"}, {"name": "FEDORA-2021-2d860da728", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWZLDECIXXW3CCZ3RS4A3NG5X5VE4WZM/"}, {"name": "FEDORA-2021-96a5dabcfa", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LBKWLTXM7IKZ4PVGKLUQVAVFAYGGF7QR/"}, {"name": "FEDORA-2021-be94728b95", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/"}, {"name": "DSA-4958", "tags": ["vendor-advisory", "x_transferred"], "url": "https://www.debian.org/security/2021/dsa-4958"}, {"name": "[debian-lts-announce] 20210830 [SECURITY] [DLA 2750-1] exiv2 security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"}, {"name": "GLSA-202312-06", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202312-06"}]}]}}

{}

{"affected": [{"affectedData": [{"product": "exiv2", "vendor": "Exiv2", "versions": [{"status": "affected", "version": "< 0.27.4"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:exiv2:exiv2:*:*:*:*:*:*:*:*", "matchCriteriaId": "0A049EBD-7A7E-458F-9ABD-F6626DDEABB9", "versionEndExcluding": "0.27.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as `insert`. The bug is fixed in version v0.27.4. Please see our security policy for information about Exiv2 security."}, {"lang": "es", "value": "Exiv2 es una biblioteca C++ y una utilidad de l\u00ednea de comandos para leer, escribir, eliminar y modificar metadatos de im\u00e1genes Exif, IPTC, XMP e ICC.&#xa0;Se encontr\u00f3 una lectura fuera de l\u00edmites en Exiv2 versiones v0.27.3 y anteriores.&#xa0;Exiv2 es una utilidad de l\u00ednea de comandos y una biblioteca C++ para leer, escribir, eliminar y modificar los metadatos de archivos de imagen.&#xa0;La lectura fuera de l\u00edmites es desencadenada cuando es usado Exiv2 para escribir metadatos en un archivo de imagen dise\u00f1ado.&#xa0;Un atacante podr\u00eda explotar la vulnerabilidad para causar una denegaci\u00f3n de servicio al bloquear Exiv2, si puede enga\u00f1ar a la v\u00edctima de ejecutar Exiv2 en un archivo de imagen dise\u00f1ado.&#xa0;Nota que este bug solo es desencadenado al escribir los metadatos, que es una operaci\u00f3n Exiv2 que es usado con menos frecuencia que la lectura de los metadatos.&#xa0;Por ejemplo, para desencadenar el bug en la aplicaci\u00f3n de l\u00ednea de comandos Exiv2,&#xa0;necesita agregar un argumento de l\u00ednea de comando adicional como \"insert\".&#xa0;El bug es corregido en versi\u00f3n v0.27.4.&#xa0;V\u00e9ase nuestra pol\u00edtica de seguridad para informaci\u00f3n sobre la seguridad de Exiv2"}], "id": "CVE-2021-29473", "lastModified": "2026-06-17T03:47:42.810", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.6, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 2.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 2.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-26T19:15:08.460", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Exiv2/exiv2/security/advisories/GHSA-7569-phvm-vwc2"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/Exiv2/exiv2/security/policy"}, {"source": "security-advisories@github.com", "tags": ["Broken Link", "Third Party Advisory"], "url": "https://github.com/github/advisory-review/pull/1587"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWZLDECIXXW3CCZ3RS4A3NG5X5VE4WZM/"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LBKWLTXM7IKZ4PVGKLUQVAVFAYGGF7QR/"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202312-06"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4958"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Exiv2/exiv2/security/advisories/GHSA-7569-phvm-vwc2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/Exiv2/exiv2/security/policy"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Third Party Advisory"], "url": "https://github.com/github/advisory-review/pull/1587"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWZLDECIXXW3CCZ3RS4A3NG5X5VE4WZM/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LBKWLTXM7IKZ4PVGKLUQVAVFAYGGF7QR/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202312-06"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4958"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2021:4173", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "exiv2-0:0.27.4-5.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-11-09T00:00:00Z"}], "bugzilla": {"description": "exiv2: Out-of-bounds read in Exiv2::Jp2Image::doWriteMetadata", "id": "1954065", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954065"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as `insert`. The bug is fixed in version v0.27.4. Please see our security policy for information about Exiv2 security.", "A flaw was found in exiv2. An out-of-bounds read in the Exiv2::Jp2Image::doWriteMetadata function may allow a remote attacker to crash an application using exiv2 library. The highest threat from this vulnerability is to application availability."], "name": "CVE-2021-29473", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "exiv2", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "compat-exiv2-023", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "compat-exiv2-026", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "exiv2", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "compat-exiv2-026", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "exiv2", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-04-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-29473\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-29473\nhttps://github.com/Exiv2/exiv2/security/advisories/GHSA-7569-phvm-vwc2"], "threat_severity": "Moderate"}

{}