FKIE_CVE-2010-1128

Vulnerability from fkie_nvd - Published: 2010-03-26 20:30 - Updated: 2025-04-11 00:51
Severity ?
Summary
The Linear Congruential Generator (LCG) in PHP before 5.2.13 does not provide the expected entropy, which makes it easier for context-dependent attackers to guess values that were intended to be unpredictable, as demonstrated by session cookies generated by using the uniqid function.
References
cve@mitre.orghttp://secunia.com/advisories/38708Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/42410
cve@mitre.orghttp://www.php.net/ChangeLog-5.php
cve@mitre.orghttp://www.php.net/releases/5_2_13.phpVendor Advisory
cve@mitre.orghttp://www.redhat.com/support/errata/RHSA-2010-0919.html
cve@mitre.orghttp://www.securityfocus.com/bid/38430Exploit
cve@mitre.orghttp://www.vupen.com/english/advisories/2010/0479Patch, Vendor Advisory
cve@mitre.orghttp://www.vupen.com/english/advisories/2010/3081
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/38708Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/42410
af854a3a-2127-422b-91ae-364da2661108http://www.php.net/ChangeLog-5.php
af854a3a-2127-422b-91ae-364da2661108http://www.php.net/releases/5_2_13.phpVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2010-0919.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/38430Exploit
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2010/0479Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2010/3081
Impacted products
Vendor Product Version
php php *
php php 5.2.0
php php 5.2.1
php php 5.2.2
php php 5.2.3
php php 5.2.4
php php 5.2.5
php php 5.2.6
php php 5.2.7
php php 5.2.8
php php 5.2.9
php php 5.2.10
php php 5.2.11
To clipboard 

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              "matchCriteriaId": "438EC66E-3D70-4780-AC53-22F850818612",
              "versionEndIncluding": "5.2.12",
              "vulnerable": true
            },
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              "matchCriteriaId": "CD02D837-FD28-4E0F-93F8-25E8D1C84A99",
              "vulnerable": true
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              "vulnerable": true
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          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Linear Congruential Generator (LCG) in PHP before 5.2.13 does not provide the expected entropy, which makes it easier for context-dependent attackers to guess values that were intended to be unpredictable, as demonstrated by session cookies generated by using the uniqid function."
    },
    {
      "lang": "es",
      "value": "El Linear Congruential Generator (LCG) en PHP anteriores a v5.2.13 no provee la entrop\u00eda esperada, lo que hace m\u00e1s f\u00e1cil para atacantes dependiendo del contexto adivinar valores que deber\u00edan ser impredecibles, como se demostr\u00f3 con cookies de sesi\u00f3n generadas utilizando la funci\u00f3n uniqid."
    }
  ],
  "id": "CVE-2010-1128",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2010-03-26T20:30:00.877",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/38708"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/42410"
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      "source": "cve@mitre.org",
      "url": "http://www.php.net/ChangeLog-5.php"
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      "tags": [
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      "url": "http://www.php.net/releases/5_2_13.php"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.redhat.com/support/errata/RHSA-2010-0919.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.securityfocus.com/bid/38430"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2010/0479"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2010/3081"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://secunia.com/advisories/38708"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/42410"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.php.net/ChangeLog-5.php"
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      "tags": [
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.redhat.com/support/errata/RHSA-2010-0919.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://www.securityfocus.com/bid/38430"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Vendor Advisory"
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    {
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      "url": "http://www.vupen.com/english/advisories/2010/3081"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=577582\n\nThe Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.  More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/",
      "lastModified": "2010-04-14T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
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          "lang": "en",
          "value": "CWE-310"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

Author Source Type Date

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.