mirror of
https://github.com/CVEProject/cvelist.git
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110 lines
4.1 KiB
JSON
110 lines
4.1 KiB
JSON
{
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"CVE_data_meta" : {
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"ASSIGNER" : "cve-assign@distributedweaknessfiling.org",
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"DATE_ASSIGNED" : "2017-08-22T17:29:33.325175",
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"ID" : "CVE-2017-1000112",
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"REQUESTER" : "willemdebruijn.kernel@gmail.com",
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"STATE" : "PUBLIC"
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},
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"affects" : {
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"vendor" : {
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"vendor_data" : [
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{
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"product" : {
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"product_data" : [
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{
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"product_name" : "Linux Kernel",
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"version" : {
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"version_data" : [
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{
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"version_value" : "Linux Kernel since commit e89e9cf539a2 (\"[IPv4/IPv6]: UFO Scatter-gather approach\") on Oct 18 2005."
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}
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]
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}
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}
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]
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},
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"vendor_name" : "Linux Kernel"
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}
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]
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}
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},
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"data_format" : "MITRE",
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"data_type" : "CVE",
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"data_version" : "4.0",
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"description" : {
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"description_data" : [
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{
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"lang" : "eng",
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"value" : "Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSG_MORE __ip_append_data() calls ip_ufo_append_data() to append. However in between two send() calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In case UFO packet lengths exceeds MTU, copy = maxfraglen - skb->len becomes negative on the non-UFO path and the branch to allocate new skb is taken. This triggers fragmentation and computation of fraggap = skb_prev->len - maxfraglen. Fraggap can exceed MTU, causing copy = datalen - transhdrlen - fraggap to become negative. Subsequently skb_copy_and_csum_bits() writes out-of-bounds. A similar issue is present in IPv6 code. The bug was introduced in e89e9cf539a2 (\"[IPv4/IPv6]: UFO Scatter-gather approach\") on Oct 18 2005."
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}
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]
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},
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"problemtype" : {
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"problemtype_data" : [
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{
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"description" : [
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{
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"lang" : "eng",
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"value" : "Memory Corruption"
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}
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]
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}
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]
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},
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"references" : {
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"reference_data" : [
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{
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"name" : "45147",
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"refsource" : "EXPLOIT-DB",
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"url" : "https://www.exploit-db.com/exploits/45147/"
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},
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{
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"name" : "[oss-security] 20170810 Linux kernel: CVE-2017-1000112: Exploitable memory corruption due to UFO to non-UFO path switch",
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"refsource" : "MLIST",
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"url" : "http://seclists.org/oss-sec/2017/q3/277"
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},
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{
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"name" : "https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-1000112",
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"refsource" : "MISC",
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"url" : "https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-1000112"
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},
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{
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"name" : "DSA-3981",
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"refsource" : "DEBIAN",
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"url" : "http://www.debian.org/security/2017/dsa-3981"
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},
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{
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"name" : "RHSA-2017:3200",
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"refsource" : "REDHAT",
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"url" : "https://access.redhat.com/errata/RHSA-2017:3200"
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},
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{
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"name" : "RHSA-2017:2918",
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"refsource" : "REDHAT",
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"url" : "https://access.redhat.com/errata/RHSA-2017:2918"
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},
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{
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"name" : "RHSA-2017:2930",
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"refsource" : "REDHAT",
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"url" : "https://access.redhat.com/errata/RHSA-2017:2930"
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},
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{
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"name" : "RHSA-2017:2931",
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"refsource" : "REDHAT",
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"url" : "https://access.redhat.com/errata/RHSA-2017:2931"
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},
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{
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"name" : "100262",
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"refsource" : "BID",
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"url" : "http://www.securityfocus.com/bid/100262"
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},
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{
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"name" : "1039162",
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"refsource" : "SECTRACK",
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"url" : "http://www.securitytracker.com/id/1039162"
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}
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]
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}
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}
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