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{"bugzilla": {"description": "php-pear: Unsafe deserialization of data in Archive_Tar class", "id": "1669615", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1669615"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-502", "details": ["PEAR Archive_Tar version 1.4.3 and earlier contains a CWE-502, CWE-915 vulnerability in the Archive_Tar class. There are several file operations with `$v_header['filename']` as parameter (such as file_exists, is_file, is_dir, etc). When extract is called without a specific prefix path, we can trigger unserialization by crafting a tar file with `phar://[path_to_malicious_phar_file]` as path. Object injection can be used to trigger destruct in the loaded PHP classes, e.g. the Archive_Tar class itself. With Archive_Tar object injection, arbitrary file deletion can occur because `@unlink($this->_temp_tarname)` is called. If another class with useful gadget is loaded, it may possible to cause remote code execution that can result in files being deleted or possibly modified. This vulnerability appears to have been fixed in 1.4.4."], "name": "CVE-2018-1000888", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "php-pear", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "php-pear", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "php-pear", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "php-pear", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Out of support scope", "package_name": "rh-php70-php-pear", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Out of support scope", "package_name": "rh-php71-php-pear", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Out of support scope", "package_name": "rh-php72-php-pear", "product_name": "Red Hat Software Collections"}, {"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": "2018-12-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-1000888\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-1000888"], "statement": "This issue affects the versions of php-pear as shipped with Red Hat Enterprise Linux 6 and 7.\nRed 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 Moderate, 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 did not affect the versions of php-pear as shipped with Red Hat Enterprise Linux 5.", "threat_severity": "Moderate", "upstream_fix": "Archive_Tar 1.4.4"}