2023-04-24 12:24:31 +02:00
{
"id" : "CVE-2020-13757" ,
"sourceIdentifier" : "cve@mitre.org" ,
"published" : "2020-06-01T19:15:10.067" ,
2024-11-23 13:10:58 +00:00
"lastModified" : "2024-11-21T05:01:47.397" ,
2023-11-07 21:03:21 +00:00
"vulnStatus" : "Modified" ,
2024-12-08 03:06:42 +00:00
"cveTags" : [ ] ,
2023-04-24 12:24:31 +02:00
"descriptions" : [
{
"lang" : "en" ,
"value" : "Python-RSA before 4.1 ignores leading '\\0' bytes during decryption of ciphertext. This could conceivably have a security-relevant impact, e.g., by helping an attacker to infer that an application uses Python-RSA, or if the length of accepted ciphertext affects application behavior (such as by causing excessive memory allocation)."
} ,
{
"lang" : "es" ,
"value" : "Python-RSA versi\u00f3n 4.1, ignora bytes '\\0' principales durante la desencriptaci\u00f3n del texto cifrado. Esto podr\u00eda tener un impacto relevante para la seguridad, por ejemplo, al ayudar a un atacante a inferir que una aplicaci\u00f3n utiliza Python-RSA, o si la longitud del texto cifrado aceptado afecta al comportamiento de la aplicaci\u00f3n (por ejemplo, al causar una asignaci\u00f3n excesiva de memoria)"
}
] ,
"metrics" : {
"cvssMetricV31" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N" ,
2024-11-23 13:10:58 +00:00
"baseScore" : 7.5 ,
"baseSeverity" : "HIGH" ,
2023-04-24 12:24:31 +02:00
"attackVector" : "NETWORK" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "NONE" ,
"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "NONE" ,
2024-11-23 13:10:58 +00:00
"availabilityImpact" : "NONE"
2023-04-24 12:24:31 +02:00
} ,
"exploitabilityScore" : 3.9 ,
"impactScore" : 3.6
}
] ,
"cvssMetricV2" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "2.0" ,
"vectorString" : "AV:N/AC:L/Au:N/C:P/I:N/A:N" ,
2024-11-23 13:10:58 +00:00
"baseScore" : 5.0 ,
2023-04-24 12:24:31 +02:00
"accessVector" : "NETWORK" ,
"accessComplexity" : "LOW" ,
"authentication" : "NONE" ,
"confidentialityImpact" : "PARTIAL" ,
"integrityImpact" : "NONE" ,
2024-11-23 13:10:58 +00:00
"availabilityImpact" : "NONE"
2023-04-24 12:24:31 +02:00
} ,
"baseSeverity" : "MEDIUM" ,
"exploitabilityScore" : 10.0 ,
"impactScore" : 2.9 ,
"acInsufInfo" : false ,
"obtainAllPrivilege" : false ,
"obtainUserPrivilege" : false ,
"obtainOtherPrivilege" : false ,
"userInteractionRequired" : false
}
]
} ,
"weaknesses" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"description" : [
{
"lang" : "en" ,
"value" : "CWE-327"
}
]
}
] ,
"configurations" : [
{
"nodes" : [
{
"operator" : "OR" ,
"negate" : false ,
"cpeMatch" : [
{
"vulnerable" : true ,
"criteria" : "cpe:2.3:a:python-rsa_project:python-rsa:*:*:*:*:*:*:*:*" ,
"versionEndExcluding" : "4.1" ,
"matchCriteriaId" : "5FF2CAA4-9911-439F-88CC-526D14B768A4"
}
]
}
]
} ,
{
"nodes" : [
{
"operator" : "OR" ,
"negate" : false ,
"cpeMatch" : [
{
"vulnerable" : true ,
"criteria" : "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*" ,
"matchCriteriaId" : "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"
} ,
{
"vulnerable" : true ,
"criteria" : "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*" ,
"matchCriteriaId" : "36D96259-24BD-44E2-96D9-78CE1D41F956"
}
]
}
]
} ,
{
"nodes" : [
{
"operator" : "OR" ,
"negate" : false ,
"cpeMatch" : [
{
"vulnerable" : true ,
"criteria" : "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*" ,
"matchCriteriaId" : "815D70A8-47D3-459C-A32C-9FEACA0659D1"
}
]
}
]
}
] ,
"references" : [
{
"url" : "https://github.com/sybrenstuvel/python-rsa/issues/146" ,
"source" : "cve@mitre.org" ,
"tags" : [
"Issue Tracking" ,
"Third Party Advisory"
]
} ,
{
"url" : "https://github.com/sybrenstuvel/python-rsa/issues/146#issuecomment-641845667" ,
"source" : "cve@mitre.org" ,
"tags" : [
"Exploit" ,
"Issue Tracking" ,
"Third Party Advisory"
]
} ,
{
2023-11-07 21:03:21 +00:00
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2KILTHBHNSDUCYV22ODLOKTICJJ7JQIQ/" ,
"source" : "cve@mitre.org"
2023-04-24 12:24:31 +02:00
} ,
{
2023-11-07 21:03:21 +00:00
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYB65VNILRBTXL6EITQTH2PZPK7I23MW/" ,
"source" : "cve@mitre.org"
2023-04-24 12:24:31 +02:00
} ,
{
"url" : "https://usn.ubuntu.com/4478-1/" ,
"source" : "cve@mitre.org" ,
"tags" : [
"Third Party Advisory"
]
2024-11-23 13:10:58 +00:00
} ,
{
"url" : "https://github.com/sybrenstuvel/python-rsa/issues/146" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Issue Tracking" ,
"Third Party Advisory"
]
} ,
{
"url" : "https://github.com/sybrenstuvel/python-rsa/issues/146#issuecomment-641845667" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Exploit" ,
"Issue Tracking" ,
"Third Party Advisory"
]
} ,
{
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2KILTHBHNSDUCYV22ODLOKTICJJ7JQIQ/" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108"
} ,
{
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYB65VNILRBTXL6EITQTH2PZPK7I23MW/" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108"
} ,
{
"url" : "https://usn.ubuntu.com/4478-1/" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Third Party Advisory"
]
2023-04-24 12:24:31 +02:00
}
]
}