K17527: NTP vulnerability CVE-2015-7705

Security Advisory Description The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of crafted requests. CVE-2015-7705 Impact An attacker with the ability to spoof multiple client requests may be able to...

Important: Red Hat Security Advisory: ntp security update

Updated ntp packages that fix one security issue are now available for Red Hat Enterprise Linux 6.5 and 6.6 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

ntp: disabling synchronization via crafted KoD packet

It was discovered that ntpd as a client did not correctly check timestamps in Kiss-of-Death packets. A remote attacker could use this flaw to send a crafted Kiss-of-Death packet to an ntpd client that would increase the client's polling interval value, and effectively disable synchronization with...

Debian DSA-3388-1 : ntp - security update

Several vulnerabilities were discovered in the Network Time Protocol daemon and utility programs : - CVE-2015-5146 A flaw was found in the way ntpd processed certain remote configuration packets. An attacker could use a specially crafted package to cause ntpd to crash if : - ntpd enabled remote...

Amazon Linux AMI : ntp (ALAS-2015-607)

It was discovered that ntpd as a client did not correctly check timestamps in Kiss-of-Death packets. A remote attacker could use this flaw to send a crafted Kiss-of-Death packet to an ntpd client that would increase the client's polling interval value, and effectively disable synchronization with...

NTP Denial of Service Vulnerability (CNVD-2015-07020)

NTP Network Time Protocol is a network protocol that synchronizes the clocks of two computers by exchanging packets. A security vulnerability exists in NTP versions prior to 4.2.8p4 and 4.3.x prior to 4.3.77. due to the client failing to properly validate the timestamp field in a Kiss-of-Death...

NTP Denial of Service Vulnerability (CNVD-2015-07015)

NTP Network Time Protocol is a network protocol that synchronizes the clocks of two computers by exchanging packets. A security vulnerability exists in NTP versions prior to 4.2.8p4 and 4.3.x prior to 4.3.77. due to the client failing to properly validate the timestamp field in a Kiss-of-Death...

Network Time Protocol Daemon (ntpd) 3.x / 4.x < 4.2.8p4 Multiple Vulnerabilities

The version of the remote NTP server is 3.x or 4.x prior to 4.2.8p4. It is, therefore, affected by the following vulnerabilities : - A flaw exists in the ntpcrypto.c file due to improper validation of the 'vallen' value in extension fields. An unauthenticated, remote attacker can exploit this, vi...

ntp: disabling synchronization via crafted KoD packet

It was discovered that ntpd as a client did not correctly check timestamps in Kiss-of-Death packets. A remote attacker could use this flaw to send a crafted Kiss-of-Death packet to an ntpd client that would increase the client's polling interval value, and effectively disable synchronization with...

Novel NTP Attacks Roll Back Time

Sharon Goldberg remembers the cold February day when her Boston University PhD candidate Aanchal Malhotra was studying routing security, in particular, attacks against the resource public key infrastructure RPKI—and kept hitting a dead end because of a cache-flushing issue. The resourceful Malhot...

windows_kod.txt

Subject: ip stack bug in windows kod.ckiss of death To: [email protected] / ::: kod.c kiss of death version 1.2 ::: author kod.c bug found by klepto / [email protected] / rewritten by ignitor / ignitor@EFnet ::: stuph works on bsd/linux/nix ::: notes bluescreens windows users98/98se and kill...