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{"cisaActionDue": "2022-09-15", "cisaExploitAdd": "2022-08-25", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:php:archive_tar:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EA0459A-BD5C-42AE-B0D7-7B35E15E2D1A", "versionEndExcluding": "1.4.12", "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"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956", "vulnerable": true}, {"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}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*", "matchCriteriaId": "61E72B09-C9D7-4AB1-BA89-3CB06FAAE46F", "versionEndExcluding": "7.75", "versionStartIncluding": "7.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*", "matchCriteriaId": "01A74904-1082-4C42-B037-2785756DA70B", "versionEndExcluding": "8.9.10", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*", "matchCriteriaId": "551C8FEA-7B6E-4FC8-804E-70A5A4922CD7", "versionEndExcluding": "8.8.12", "versionStartIncluding": "8.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*", "matchCriteriaId": "38992B05-6DF5-4751-A57B-8A43DD3E6680", "versionEndExcluding": "9.0.9", "versionStartIncluding": "9.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed."}, {"lang": "es", "value": "Archive_Tar versiones hasta 1.4.10, presenta una desinfecci\u00f3n del nombre de archivo :// solo para abordar los ataques phar y, por lo tanto, cualquier otro ataque de empaquetado de flujo (tal y como file:// para sobrescribir archivos) a\u00fan puede tener \u00e9xito"}], "id": "CVE-2020-28949", "lastModified": "2025-10-22T00:17:05.123", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2020-11-19T19:15:11.937", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://github.com/pear/Archive_Tar/issues/33"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": 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{"affected_release": [{"advisory": "RHSA-2022:7340", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "php-pear-1:1.9.4-23.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-11-02T00:00:00Z"}, {"advisory": "RHSA-2022:6542", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "php:7.4-8060020220907094815.5caa48ff", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-09-15T00:00:00Z"}, {"advisory": "RHSA-2022:6541", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "php:7.4-8040020220907095003.d7c09045", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-09-15T00:00:00Z"}], "bugzilla": {"description": "Archive_Tar: improper filename sanitization leads to file overwrites", "id": "1910323", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1910323"}, "csaw": true, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "status": "verified"}, "cwe": "CWE-20", "details": ["Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.", "A flaw was found in the Archive_Tar package. PEAR Archive_Tar could allow a local authenticated attacker to bypass security restrictions caused by a stream-wrapper attack. An attacker can overwrite arbitrary files on the system using a specially-crafted tar archive."], "name": "CVE-2020-28949", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "php-pear", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "php:7.2/php-pear", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "php:7.3/php-pear", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-php73-php-pear", "product_name": "Red Hat Software Collections"}], "public_date": "2020-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-28949\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-28949\nhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog"], "statement": "PHP 7.2, 7.3 and 7.4 are all deprecated. There would be no patches made available for php-pear.", "threat_severity": "Moderate"}