{
  "id": "CVE-2013-0914",
  "sourceIdentifier": "cve-coordination@google.com",
  "published": "2013-03-22T11:59:11.507",
  "lastModified": "2014-02-07T04:45:24.997",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n flush_signal_handlers en kernel/signal.c en el n\u00facleo de Linux anterior a v3.8.4 conserva el valor del campo sa_restorer a trav\u00e9s de una operaci\u00f3n exec, que hace m\u00e1s f\u00e1cil a los usuarios de la zona para evitar el mecanismo de protecci\u00f3n ASLR a trav\u00e9s de una aplicaci\u00f3n dise\u00f1ado que contenga un sigaction system call llamar."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 3.6
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.9,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "3.8.3",
              "matchCriteriaId": "7A40E2A8-BBC3-4763-B150-9193F30E9DF0"
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  "references": [
    {
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2ca39528c01a933f6689cd6505ce65bd6d68a530",
      "source": "cve-coordination@google.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2013-1051.html",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:176",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2013/03/11/8",
      "source": "cve-coordination@google.com"
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    {
      "url": "http://www.ubuntu.com/usn/USN-1787-1",
      "source": "cve-coordination@google.com"
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    {
      "url": "http://www.ubuntu.com/usn/USN-1788-1",
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    {
      "url": "http://www.ubuntu.com/usn/USN-1792-1",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1793-1",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1794-1",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1795-1",
      "source": "cve-coordination@google.com"
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    {
      "url": "http://www.ubuntu.com/usn/USN-1796-1",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1797-1",
      "source": "cve-coordination@google.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1798-1",
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    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=920499",
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    {
      "url": "https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530",
      "source": "cve-coordination@google.com",
      "tags": [
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}