{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-02-27T00:00:00", "descriptions": [{"lang": "en", "value": "In utils.c in zsh before 5.4, symlink expansion had a buffer overflow."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-01T06:06:19", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "USN-3593-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/3593-1/"}, {"name": "GLSA-201805-10", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201805-10"}, {"name": "RHSA-2018:1932", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:1932"}, {"tags": ["x_refsource_MISC"], "url": "https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d"}, {"name": "RHSA-2018:3073", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:3073"}, {"name": "[debian-lts-announce] 20201201 [SECURITY] [DLA 2470-1] zsh security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-18206", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In utils.c in zsh before 5.4, symlink expansion had a buffer overflow."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "USN-3593-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3593-1/"}, {"name": "GLSA-201805-10", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201805-10"}, {"name": "RHSA-2018:1932", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:1932"}, {"name": "https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d", "refsource": "MISC", "url": "https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d"}, {"name": "RHSA-2018:3073", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3073"}, {"name": "[debian-lts-announce] 20201201 [SECURITY] [DLA 2470-1] zsh security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T21:13:49.110Z"}, "title": "CVE Program Container", "references": [{"name": "USN-3593-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/3593-1/"}, {"name": "GLSA-201805-10", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201805-10"}, {"name": "RHSA-2018:1932", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:1932"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d"}, {"name": "RHSA-2018:3073", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:3073"}, {"name": "[debian-lts-announce] 20201201 [SECURITY] [DLA 2470-1] zsh security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-18206", "datePublished": "2018-02-27T22:00:00", "dateReserved": "2018-02-27T00:00:00", "dateUpdated": "2024-08-05T21:13:49.110Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:*", "matchCriteriaId": "232587B5-81C9-4BEB-B36F-FACE9E9A86AD", "versionEndExcluding": "5.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*", "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In utils.c in zsh before 5.4, symlink expansion had a buffer overflow."}, {"lang": "es", "value": "En utils.c en zsh, en versiones anteriores a la 5.4, la expansi\u00f3n symlink tiene un desbordamiento de b\u00fafer."}], "id": "CVE-2017-18206", "lastModified": "2024-11-21T03:19:33.873", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-02-27T22:29:00.543", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:1932"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3073"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201805-10"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3593-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:1932"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3073"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201805-10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3593-1/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2018:1932", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "zsh-0:4.3.11-8.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2018-06-19T00:00:00Z"}, {"advisory": "RHSA-2018:3073", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "zsh-0:5.0.2-31.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-10-30T00:00:00Z"}], "bugzilla": {"description": "zsh: buffer overrun in symlinks", "id": "1549861", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549861"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-120->CWE-121", "details": ["In utils.c in zsh before 5.4, symlink expansion had a buffer overflow.", "A buffer overflow flaw was found in the zsh shell symbolic link resolver. A local, unprivileged user can create a specially crafted directory path which leads to a buffer overflow in the context of the user trying to do a symbolic link resolution in the aforementioned path. If the user affected is privileged, this leads to privilege escalation."], "name": "CVE-2017-18206", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "zsh", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "zsh", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2017-05-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-18206\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-18206"], "threat_severity": "Low"}