cvelist/2019/12xxx/CVE-2019-12749.json

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{
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
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"ID": "CVE-2019-12749",
"STATE": "PUBLIC"
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},
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"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
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"description": {
"description_data": [
{
"lang": "eng",
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"value": "dbus before 1.10.28, 1.12.x before 1.12.16, and 1.13.x before 1.13.12, as used in DBusServer in Canonical Upstart in Ubuntu 14.04 (and in some, less common, uses of dbus-daemon), allows cookie spoofing because of symlink mishandling in the reference implementation of DBUS_COOKIE_SHA1 in the libdbus library. (This only affects the DBUS_COOKIE_SHA1 authentication mechanism.) A malicious client with write access to its own home directory could manipulate a ~/.dbus-keyrings symlink to cause a DBusServer with a different uid to read and write in unintended locations. In the worst case, this could result in the DBusServer reusing a cookie that is known to the malicious client, and treating that cookie as evidence that a subsequent client connection came from an attacker-chosen uid, allowing authentication bypass."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"refsource": "MISC",
"name": "https://www.openwall.com/lists/oss-security/2019/06/11/2",
"url": "https://www.openwall.com/lists/oss-security/2019/06/11/2"
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},
{
"refsource": "MLIST",
"name": "[oss-security] 20190611 CVE-2019-12749: DBusServer DBUS_COOKIE_SHA1 authentication bypass",
"url": "http://www.openwall.com/lists/oss-security/2019/06/11/2"
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},
{
"refsource": "UBUNTU",
"name": "USN-4015-1",
"url": "https://usn.ubuntu.com/4015-1/"
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},
{
"refsource": "UBUNTU",
"name": "USN-4015-2",
"url": "https://usn.ubuntu.com/4015-2/"
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},
{
"refsource": "DEBIAN",
"name": "DSA-4462",
"url": "https://www.debian.org/security/2019/dsa-4462"
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},
{
"refsource": "BUGTRAQ",
"name": "20190613 [SECURITY] [DSA 4462-1] dbus security update",
"url": "https://seclists.org/bugtraq/2019/Jun/16"
},
{
"refsource": "BID",
"name": "108751",
"url": "http://www.securityfocus.com/bid/108751"
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},
{
"refsource": "MLIST",
"name": "[debian-lts-announce] 20190614 [SECURITY] [DLA 1818-1] dbus security update",
"url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00005.html"
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},
{
"refsource": "FEDORA",
"name": "FEDORA-2019-d5ded5326b",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V2CQF37O73VH2JDVX2ILX2KD2KLXLQOU/"
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},
{
"refsource": "SUSE",
"name": "openSUSE-SU-2019:1604",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00059.html"
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},
{
"refsource": "SUSE",
"name": "openSUSE-SU-2019:1671",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00092.html"
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}
]
}
}