CVE-2011-2883

Published Jul 21, 2011

Last updated 13 years ago

Overview

Description: The NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise Edition 8.1 before 8.1-67.7, 9.0 before 9.0-70.5, and 9.1 before 9.1-96.4 attempts to validate signed DLLs by checking the certificate subject, not the signature, which allows man-in-the-middle attackers to execute arbitrary code via HTTP header data referencing a DLL that was signed with a crafted certificate.
Source: cve@mitre.org
NVD status: Analyzed

Hype score: Not currently trending

Risk scores

CVSS 2.0

Type: Primary
Base score: 9.3
Impact score: 10
Exploitability score: 8.6
Vector string: AV:N/AC:M/Au:N/C:C/I:C/A:C

Weaknesses

nvd@nist.gov: CWE-20

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:citrix:access_gateway:8.1:*:enterprise:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "9A7BC4F8-DF07-499B-90CD-53EAB854014B"
          },
          {
            "criteria": "cpe:2.3:a:citrix:access_gateway:9.0:*:enterprise:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "0DCDF4DE-F0DF-427A-980C-62314FCE6A45"
          },
          {
            "criteria": "cpe:2.3:a:citrix:access_gateway:9.1:*:enterprise:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F409FE7A-88D6-4FFB-8D78-0C0FCFB5DD8E"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Social media

Risk scores

CVSS 2.0

Weaknesses

Configurations

References