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CVE-2003-0147 (GCVE-0-2003-0147)

Vulnerability from cvelistv5 – Published: 2003-03-18 05:00 – Updated: 2024-08-08 01:43
VLAI
Summary
OpenSSL does not use RSA blinding by default, which allows local and remote attackers to obtain the server's private key by determining factors using timing differences on (1) the number of extra reductions during Montgomery reduction, and (2) the use of different integer multiplication algorithms ("Karatsuba" and normal).
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.debian.org/security/2003/dsa-288 vendor-advisoryx_refsource_DEBIAN
http://www.redhat.com/support/errata/RHSA-2003-101.html vendor-advisoryx_refsource_REDHAT
http://www.redhat.com/support/errata/RHSA-2003-102.html vendor-advisoryx_refsource_REDHAT
http://www.openssl.org/news/secadv_20030317.txt x_refsource_CONFIRM
http://marc.info/?l=bugtraq&m=104829040921835&w=2 vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/archive/1/316165/30/… mailing-listx_refsource_BUGTRAQ
http://marc.info/?l=bugtraq&m=104792570615648&w=2 mailing-listx_refsource_BUGTRAQ
ftp://ftp.sco.com/pub/security/OpenLinux/CSSA-200… vendor-advisoryx_refsource_CALDERA
http://www.mandrakesecure.net/en/advisories/advis… vendor-advisoryx_refsource_MANDRAKE
http://crypto.stanford.edu/~dabo/papers/ssl-timing.pdf x_refsource_MISC
http://www.gentoo.org/security/en/glsa/glsa-20030… vendor-advisoryx_refsource_GENTOO
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://www.openpkg.com/security/advisories/OpenPK… vendor-advisoryx_refsource_OPENPKG
http://marc.info/?l=bugtraq&m=104861762028637&w=2 vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/archive/1/316577/30/… vendor-advisoryx_refsource_IMMUNIX
ftp://patches.sgi.com/support/free/security/advis… vendor-advisoryx_refsource_SGI
http://marc.info/?l=bugtraq&m=104766550528628&w=2 mailing-listx_refsource_BUGTRAQ
http://marc.info/?l=bugtraq&m=104819602408063&w=2 mailing-listx_refsource_BUGTRAQ
http://distro.conectiva.com.br/atualizacoes/?id=a… vendor-advisoryx_refsource_CONECTIVA
http://www.kb.cert.org/vuls/id/997481 third-party-advisoryx_refsource_CERT-VN
http://archives.neohapsis.com/archives/vulnwatch/… mailing-listx_refsource_VULNWATCH
Date Public
2003-03-14 00:00
Show details on NVD website
To clipboard 

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                    "matchCriteriaId": "C7B30722-13DD-41C5-9CFA-0719B351CF46",
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                  {
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                    "vulnerable": true
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                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "OpenSSL does not use RSA blinding by default, which allows local and remote attackers to obtain the server\u0027s private key by determining factors using timing differences on (1) the number of extra reductions during Montgomery reduction, and (2) the use of different integer multiplication algorithms (\"Karatsuba\" and normal)."
          }
        ],
        "id": "CVE-2003-0147",
        "lastModified": "2026-04-16T00:27:16.627",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2003-03-31T05:00:00.000",
        "references": [
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            "source": "cve@mitre.org",
            "url": "ftp://ftp.sco.com/pub/security/OpenLinux/CSSA-2003-014.0.txt"
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          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vendorComments": [
          {
            "comment": "Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.",
            "lastModified": "2007-03-14T00:00:00",
            "organization": "Red Hat"
          }
        ],
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T13:34:34+00:00",
      "cve": "CVE-2003-0147",
      "id": "CVE-2003-0147",
      "initial_release_date": "2003-03-14T00:00:00+00:00",
      "product_status:fixed": "13",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "security flaw",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2003/cve-2003-0147.json",
      "version": "3"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.