fkie_cve-2010-1128
Vulnerability from fkie_nvd
Published
2010-03-26 20:30
Modified
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
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"matchCriteriaId": "438EC66E-3D70-4780-AC53-22F850818612",
"versionEndIncluding": "5.2.12",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*",
"matchCriteriaId": "CD02D837-FD28-4E0F-93F8-25E8D1C84A99",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*",
"matchCriteriaId": "88358D1E-BE6F-4CE3-A522-83D1FA4739E3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*",
"matchCriteriaId": "D8B97B03-7DA7-4A5F-89B4-E78CAB20DE17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*",
"matchCriteriaId": "86767200-6C9C-4C3E-B111-0E5BE61E197B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*",
"matchCriteriaId": "B00B416D-FF23-4C76-8751-26D305F0FA0F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*",
"matchCriteriaId": "CCB6CDDD-70D3-4004-BCE0-8C4723076103",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*",
"matchCriteriaId": "A782CA26-9C38-40A8-92AE-D47B14D2FCE3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:*",
"matchCriteriaId": "1C0E7E2A-4770-4B68-B74C-5F5A6E1876DC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*",
"matchCriteriaId": "0892C89E-9389-4452-B7E0-981A763CD426",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*",
"matchCriteriaId": "635F3CB1-B042-43CC-91AB-746098018D8C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*",
"matchCriteriaId": "E1F32DDF-17A3-45B5-9227-833EBEBD3923",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*",
"matchCriteriaId": "2CDFB7E9-8510-430F-BFBC-FD811D60DC78",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/38708"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/42410"
},
{
"source": "cve@mitre.org",
"url": "http://www.php.net/ChangeLog-5.php"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"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": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/38708"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/42410"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.php.net/ChangeLog-5.php"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.php.net/releases/5_2_13.php"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2010-0919.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "http://www.securityfocus.com/bid/38430"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2010/0479"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2010/3081"
}
],
"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": [
{
"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 seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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