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{"cveTags": [], "descriptions": [{"lang": "en", "value": "CUPS is a standards-based, open-source printing system, and `libppd` can be used for legacy PPD file support. The `libppd` function `ppdCreatePPDFromIPP2` does not sanitize IPP attributes when creating the PPD buffer. When used in combination with other functions such as `cfGetPrinterAttributes5`, can result in user controlled input and ultimately code execution via Foomatic. This vulnerability can be part of an exploit chain leading to remote code execution (RCE), as described in CVE-2024-47176."}], "id": "CVE-2024-47175", "lastModified": "2024-09-26T22:15:04.283", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2024-09-26T22:15:04.283", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/OpenPrinting/cups-browsed/security/advisories/GHSA-rj88-6mr5-rcw8"}, {"source": "security-advisories@github.com", "url": "https://github.com/OpenPrinting/cups-filters/security/advisories/GHSA-p9rh-jxmq-gq47"}, {"source": "security-advisories@github.com", "url": "https://github.com/OpenPrinting/libcupsfilters/security/advisories/GHSA-w63j-6g73-wmg5"}, {"source": "security-advisories@github.com", "url": "https://github.com/OpenPrinting/libppd/security/advisories/GHSA-7xfx-47qg-grp6"}, {"source": "security-advisories@github.com", "url": "https://www.cups.org"}, {"source": "security-advisories@github.com", "url": "https://www.evilsocket.net/2024/09/26/Attacking-UNIX-systems-via-CUPS-Part-I"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "cups: libppd: remote command injection via attacker controlled data in PPD file", "id": "2314256", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2314256"}, "csaw": true, "cvss3": {"cvss3_base_score": "7.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L", "status": "draft"}, "cwe": "CWE-77", "details": ["CUPS is a standards-based, open-source printing system, and `libppd` can be used for legacy PPD file support. The `libppd` function `ppdCreatePPDFromIPP2` does not sanitize IPP attributes when creating the PPD buffer. When used in combination with other functions such as `cfGetPrinterAttributes5`, can result in user controlled input and ultimately code execution via Foomatic. This vulnerability can be part of an exploit chain leading to remote code execution (RCE), as described in CVE-2024-47176.", "A security issue was found in OpenPrinting CUPS.\nThe function ppdCreatePPDFromIPP2 in the libppd library is responsible for generating a PostScript Printer Description (PPD) file based on attributes retrieved from an Internet Printing Protocol (IPP) response. Essentially, it takes printer information, usually obtained via IPP, and creates a corresponding PPD file that describes the printer's capabilities (such as supported media sizes, resolutions, color modes, etc.).\nPPD files are used by printing systems like CUPS (Common Unix Printing System) to communicate with and configure printers. They provide a standardized format that allows different printers to work with the printing system in a consistent way.\nThe ppdCreatePPDFromIPP2 function in libppd doesn't properly check or clean IPP attributes before writing them to a temporary PPD file. This means that a remote attacker, who has control of or has hijacked an exposed printer (through UPD or mDNS), could send a harmful IPP attribute and potentially insert malicious commands into the PPD file."], "name": "CVE-2024-47175", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "impact": "low", "package_name": "cups", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "cups-filters", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "impact": "low", "package_name": "cups", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "cups-filters", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "impact": "low", "package_name": "cups", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "cups-filters", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2024-09-26T20:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-47175\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-47175\nhttps://www.evilsocket.net/2024/09/26/Attacking-UNIX-systems-via-CUPS-Part-I/"], "statement": "RHCOS and RHEL include libs-cups as a build-time dependency. However, the vulnerability is not exploitable with just the client libraries unless a print server based on OpenPrinting is actively running.\nRHEL and RHCOS does not have cups-browsed enabled by default so the impact for those are set to 'Low'", "threat_severity": "Important"}