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como se utiliza en Google Chrome anterior a v21.0.1180.89, no gestiona adecuadamente la memoria, lo que podr\u00eda permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de aplicaci\u00f3n) a trav\u00e9s de una elaborada expresi\u00f3n XSLT que no est\u00e9 debidamente identificado durante XPath navegaci\u00f3n, en relaci\u00f3n con (1) la funci\u00f3n xsltCompileLocationPathPattern en libxslt / pattern.c y (2) la funci\u00f3n xsltGenerateIdFunction en libxslt / functions.c."}], "id": "CVE-2012-2870", "lastModified": "2023-11-07T02:11:15.267", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-08-31T19:55:01.077", "references": [{"source": "chrome-cve-admin@google.com", "url": "http://code.google.com/p/chromium/issues/detail?id=138672"}, {"source": "chrome-cve-admin@google.com", "url": "http://code.google.com/p/chromium/issues/detail?id=140368"}, {"source": "chrome-cve-admin@google.com", "url": "http://googlechromereleases.blogspot.com/2012/08/stable-channel-update_30.html"}, {"source": "chrome-cve-admin@google.com", "url": "http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html"}, {"source": "chrome-cve-admin@google.com", "url": "http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html"}, {"source": "chrome-cve-admin@google.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00030.html"}, {"source": "chrome-cve-admin@google.com", "url": "http://secunia.com/advisories/50838"}, {"source": "chrome-cve-admin@google.com", "url": "http://secunia.com/advisories/54886"}, {"source": "chrome-cve-admin@google.com", "url": "http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/functions.c?r1=75684&r2=149998"}, {"source": "chrome-cve-admin@google.com", "url": "http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/functions.c?view=log"}, {"source": "chrome-cve-admin@google.com", "url": "http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/pattern.c?r1=118654&r2=150123"}, {"source": "chrome-cve-admin@google.com", "url": "http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/pattern.c?view=log"}, {"source": "chrome-cve-admin@google.com", "url": "http://support.apple.com/kb/HT5934"}, {"source": "chrome-cve-admin@google.com", "url": "http://support.apple.com/kb/HT6001"}, {"source": "chrome-cve-admin@google.com", "url": "http://www.debian.org/security/2012/dsa-2555"}, {"source": "chrome-cve-admin@google.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:164"}, {"source": "chrome-cve-admin@google.com", "url": "https://chromiumcodereview.appspot.com/10823168"}, {"source": "chrome-cve-admin@google.com", "url": "https://chromiumcodereview.appspot.com/10830177"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2012:1265", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "libxslt-0:1.1.17-4.el5_8.3", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-09-13T00:00:00Z"}, {"advisory": "RHSA-2012:1265", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libxslt-0:1.1.26-2.el6_3.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-09-13T00:00:00Z"}], "bugzilla": {"description": "libxslt: Use-after-free when processing an invalid XPath expression", "id": "852937", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=852937"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-416", "details": ["libxslt 1.1.26 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly manage memory, which might allow remote attackers to cause a denial of service (application crash) via a crafted XSLT expression that is not properly identified during XPath navigation, related to (1) the xsltCompileLocationPathPattern function in libxslt/pattern.c and (2) the xsltGenerateIdFunction function in libxslt/functions.c."], "name": "CVE-2012-2870", "public_date": "2012-08-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2870\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2870"], "threat_severity": "Low"}