CVE-2022-1271

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When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad de escritura arbitraria de archivos en la utilidad zgrep de GNU gzip. Cuando zgrep es aplicado sobre el nombre de archivo elegido por el atacante (por ejemplo, un nombre de archivo dise\u00f1ado), \u00e9ste puede sobrescribir el contenido de un archivo arbitrario seleccionado por el atacante. Este fallo es producido debido a una comprobaci\u00f3n insuficiente cuando son procesados nombres de archivo con dos o m\u00e1s l\u00edneas nuevas en los que el contenido seleccionado y los nombres de archivo de destino est\u00e1n insertados en nombres de archivo multil\u00ednea dise\u00f1ados. Este fallo permite a un atacante remoto poco privilegiado forzar a zgrep a escribir archivos arbitrarios en el sistema"}], "id": "CVE-2022-1271", "lastModified": "2026-10-14T13:17:17.760", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-1271", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-06-09T14:55:46.489089Z", "version": "2.0.3"}}]}, "published": "2022-08-31T16:15:09.347", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2022-1271"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2073310"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "https://git.tukaani.org/?p=xz.git%3Ba=commit%3Bh=69d1b3fc29677af8ade8dc15dba83f0589cb63d6"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://lists.gnu.org/r/bug-gzip/2022-04/msg00011.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2022-1271"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202209-01"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220930-0006/"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://tukaani.org/xz/xzgrep-ZDI-CAN-16587.patch"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/04/07/8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2022-1271"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2073310"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://git.tukaani.org/?p=xz.git%3Ba=commit%3Bh=69d1b3fc29677af8ade8dc15dba83f0589cb63d6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://lists.gnu.org/r/bug-gzip/2022-04/msg00011.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2022-1271"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202209-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220930-0006/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://tukaani.org/xz/xzgrep-ZDI-CAN-16587.patch"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/04/07/8"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-455250.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-179"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:2191", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "gzip-0:1.5-11.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-05-11T00:00:00Z"}, {"advisory": "RHSA-2022:5052", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "xz-0:5.2.2-2.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-06-15T00:00:00Z"}, {"advisory": "RHSA-2022:1537", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "gzip-0:1.9-13.el8_5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-04-26T00:00:00Z"}, {"advisory": "RHSA-2022:4991", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "xz-0:5.2.4-4.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-13T00:00:00Z"}, {"advisory": "RHSA-2022:1592", "cpe": "cpe:/o:redhat:rhel_e4s:8.1", "package": "gzip-0:1.9-10.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-04-26T00:00:00Z"}, {"advisory": "RHSA-2022:4994", "cpe": "cpe:/o:redhat:rhel_e4s:8.1", "package": "xz-0:5.2.4-4.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-06-13T00:00:00Z"}, {"advisory": "RHSA-2022:1665", "cpe": "cpe:/o:redhat:rhel_eus:8.2", "package": "gzip-0:1.9-10.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-05-02T00:00:00Z"}, {"advisory": "RHSA-2022:4992", "cpe": "cpe:/o:redhat:rhel_eus:8.2", "package": "xz-0:5.2.4-4.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-06-13T00:00:00Z"}, {"advisory": "RHSA-2022:1676", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "gzip-0:1.9-13.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-05-03T00:00:00Z"}, {"advisory": "RHSA-2022:4993", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "xz-0:5.2.4-4.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-06-13T00:00:00Z"}, {"advisory": "RHSA-2022:4940", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "xz-0:5.2.5-8.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-06-08T00:00:00Z"}, {"advisory": "RHSA-2022:4582", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "gzip-0:1.10-9.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-05-17T00:00:00Z"}, {"advisory": "RHSA-2022:4940", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "xz-0:5.2.5-8.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-06-08T00:00:00Z"}, {"advisory": "RHSA-2022:5439", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "redhat-virtualization-host-0:4.3.23-20220622.0.el7_9", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2022-07-01T00:00:00Z"}, {"advisory": "RHSA-2022:4896", "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "package": "redhat-virtualization-host-0:4.5.0-202205291010_8.6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "release_date": "2022-06-03T00:00:00Z"}], "bugzilla": {"description": "gzip: arbitrary-file-write vulnerability", "id": "2073310", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2073310"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "(CWE-179|CWE-1173)", "details": ["An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system.", "An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2022-1271", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "gzip", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "xz", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:7", "fix_state": "Affected", "package_name": "gzip", "product_name": "Red Hat JBoss Data Grid 7"}], "public_date": "2022-04-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-1271\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-1271"], "statement": "This bug was introduced in gzip-1.3.10 and is relatively hard to exploit.\nRed Hat Enterprise Linux 6 was affected but Out of Support Cycle because gzip was not listed in Red Hat Enterprise Linux 6 ELS Inclusion List.\nhttps://access.redhat.com/articles/4997301", "threat_severity": "Important"}

{}