CVE-2018-7537

{"id": "CVE-2018-7537", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": true, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2018-03-09T20:29:00.660", "references": [{"url": "http://www.securityfocus.com/bid/103357", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:2927", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2019:0265", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00006.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3591-1/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2018/dsa-4161", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.djangoproject.com/weblog/2018/mar/06/security-releases/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-185"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Django 2.0 before 2.0.3, 1.11 before 1.11.11, and 1.8 before 1.8.19. If django.utils.text.Truncator's chars() and words() methods were passed the html=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which were thus vulnerable."}, {"lang": "es", "value": "Se ha descubierto un problema en Django, en versiones 2.0 anteriores a la 2.0.3; versiones 1.11 anteriores a la 1.11.11 y versiones 1.8 anteriores a la 1.8.19. Si los m\u00e9todos de django.utils.text.Truncator chars() y words() se pasaban al argumento html=True, eran extremadamente lentos a la hora de evaluar ciertas entradas debido a una vulnerabilidad catastr\u00f3fica de b\u00fasqueda hacia atr\u00e1s en una expresi\u00f3n regular. Los m\u00e9todos chars() y words() se emplean para implementar las plantillas de filtro truncatechars_html y truncatewords_html que, por lo tanto, eran vulnerables."}], "lastModified": "2019-02-28T22:37:04.863", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96EB9D8B-0C33-4380-ACAB-D6E1C5962A34", "versionEndExcluding": "1.8.19", "versionStartIncluding": "1.8"}, {"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A74E078B-62BB-4152-A18D-56CC11C0CF79", "versionEndExcluding": "1.11.11", "versionStartIncluding": "1.11"}, {"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA9B61A1-0ED0-412E-B8A4-DE09598CC2A9", "versionEndExcluding": "2.0.3", "versionStartIncluding": "2.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}