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CVE Team 2021-04-02 19:01:14 +00:00
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2018/5xxx/CVE-2018-5382.json
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@ -38,7 +38,7 @@
"description_data": [
{
"lang": "eng",
"value": "Bouncy Castle BKS version 1 keystore (BKS-V1) files use an HMAC that is only 16 bits long, which can allow an attacker to compromise the integrity of a BKS-V1 keystore. All BKS-V1 keystores are vulnerable. Bouncy Castle release 1.47 introduces BKS version 2, which uses a 160-bit MAC."
"value": "The default BKS keystore use an HMAC that is only 16 bits long, which can allow an attacker to compromise the integrity of a BKS keystore. Bouncy Castle release 1.47 changes the BKS format to a format which uses a 160 bit HMAC instead. This applies to any BKS keystore generated prior to BC 1.47. For situations where people need to create the files for legacy reasons a specific keystore type \"BKS-V1\" was introduced in 1.49. It should be noted that the use of \"BKS-V1\" is discouraged by the library authors and should only be used where it is otherwise safe to do so, as in where the use of a 16 bit checksum for the file integrity check is not going to cause a security issue in itself."
}
]
},