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{
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"CVE_data_meta" : {
"ASSIGNER" : "security@debian.org" ,
"ID" : "CVE-2018-0495" ,
"STATE" : "PUBLIC"
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} ,
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"affects" : {
"vendor" : {
"vendor_data" : [
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{
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"product" : {
"product_data" : [
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{
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"product_name" : "Libgcrypt before 1.7.10 and 1.8.x before 1.8.3" ,
"version" : {
"version_data" : [
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{
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"version_value" : "Libgcrypt before 1.7.10 and 1.8.x before 1.8.3"
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}
]
}
}
]
} ,
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"vendor_name" : "n/a"
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}
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]
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}
} ,
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"data_format" : "MITRE" ,
"data_type" : "CVE" ,
"data_version" : "4.0" ,
"description" : {
"description_data" : [
{
"lang" : "eng" ,
"value" : "Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host."
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}
]
} ,
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"problemtype" : {
"problemtype_data" : [
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{
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"description" : [
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{
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"lang" : "eng" ,
"value" : "side-channel attack"
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}
]
}
]
} ,
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"references" : {
"reference_data" : [
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{
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"name" : "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=9010d1576e278a4274ad3f4aa15776c28f6ba965" ,
"refsource" : "MISC" ,
"url" : "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=9010d1576e278a4274ad3f4aa15776c28f6ba965"
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} ,
{
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"name" : "1041144" ,
"refsource" : "SECTRACK" ,
"url" : "http://www.securitytracker.com/id/1041144"
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} ,
{
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"name" : "USN-3850-1" ,
"refsource" : "UBUNTU" ,
"url" : "https://usn.ubuntu.com/3850-1/"
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} ,
{
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"name" : "1041147" ,
"refsource" : "SECTRACK" ,
"url" : "http://www.securitytracker.com/id/1041147"
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} ,
{
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"name" : "https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/" ,
"refsource" : "MISC" ,
"url" : "https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/"
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} ,
{
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"name" : "USN-3689-1" ,
"refsource" : "UBUNTU" ,
"url" : "https://usn.ubuntu.com/3689-1/"
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} ,
{
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"name" : "https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html" ,
"refsource" : "MISC" ,
"url" : "https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html"
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} ,
{
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"name" : "USN-3689-2" ,
"refsource" : "UBUNTU" ,
"url" : "https://usn.ubuntu.com/3689-2/"
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} ,
{
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"name" : "USN-3692-2" ,
"refsource" : "UBUNTU" ,
"url" : "https://usn.ubuntu.com/3692-2/"
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} ,
{
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"name" : "[debian-lts-announce] 20180629 [SECURITY] [DLA 1405-1] libgcrypt20 security update" ,
"refsource" : "MLIST" ,
"url" : "https://lists.debian.org/debian-lts-announce/2018/06/msg00013.html"
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} ,
{
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"name" : "DSA-4231" ,
"refsource" : "DEBIAN" ,
"url" : "https://www.debian.org/security/2018/dsa-4231"
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} ,
{
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"name" : "RHSA-2018:3505" ,
"refsource" : "REDHAT" ,
"url" : "https://access.redhat.com/errata/RHSA-2018:3505"
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} ,
{
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"name" : "USN-3850-2" ,
"refsource" : "UBUNTU" ,
"url" : "https://usn.ubuntu.com/3850-2/"
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} ,
{
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"name" : "USN-3692-1" ,
"refsource" : "UBUNTU" ,
"url" : "https://usn.ubuntu.com/3692-1/"
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} ,
{
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"name" : "RHSA-2018:3221" ,
"refsource" : "REDHAT" ,
"url" : "https://access.redhat.com/errata/RHSA-2018:3221"
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} ,
{
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"name" : "https://dev.gnupg.org/T4011" ,
"refsource" : "MISC" ,
"url" : "https://dev.gnupg.org/T4011"
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} ,
{
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"url" : "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html" ,
"refsource" : "MISC" ,
"name" : "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
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} ,
{
"refsource" : "REDHAT" ,
"name" : "RHSA-2019:1297" ,
"url" : "https://access.redhat.com/errata/RHSA-2019:1297"
} ,
{
"refsource" : "REDHAT" ,
"name" : "RHSA-2019:1296" ,
"url" : "https://access.redhat.com/errata/RHSA-2019:1296"
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} ,
{
"refsource" : "REDHAT" ,
"name" : "RHSA-2019:1543" ,
"url" : "https://access.redhat.com/errata/RHSA-2019:1543"
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} ,
{
"refsource" : "REDHAT" ,
"name" : "RHSA-2019:2237" ,
"url" : "https://access.redhat.com/errata/RHSA-2019:2237"
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}
]
}
}
