CVE-2023-26551

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cpcpdec while loop. An adversary may be able to attack a client ntpq process, but cannot attack ntpd...

CVE-2023-26552

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a decimal point. An adversary may be able to attack a client ntpq process, but cannot attack ntpd...

CVE-2023-26555

praecisparse in ntpd/refclockpalisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver...

PT-2023-2768 · Ntp +4 · Ntp +4

Name of the Vulnerable Software and Affected Versions: NTP version 4.2.8p15 Description: The issue is related to an out-of-bounds write when copying the trailing number in the mstolfp function in libntp/mstolfp.c. This can be exploited by sending a specially crafted request, potentially allowing ...

CVE-2023-26551

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cpcpdec while loop. An adversary may be able to attack a client ntpq process, but cannot attack ntpd...

CVE-2023-26554

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd...

K82570157: NTP vulnerability CVE-2018-7170

Security Advisory Description ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim's clock via a Sybil attack. This...

K17114: NTP vulnerability CVE-2015-5146

Security Advisory Description ntpd in ntp before 4.2.8p3 with remote configuration enabled allows remote authenticated users with knowledge of the configuration password and access to a computer entrusted to perform remote configuration to cause a denial of service service crash via a NULL byte i...

K39041624: NTP vulnerability CVE-2016-9042

Security Advisory Description An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted...

K15928: Network Time Protocol vulnerability CVE-2009-1252

Security Advisory Description Stack-based buffer overflow in the cryptorecv function in ntpcrypto.c in ntpd in NTP before 4.2.4p7 and 4.2.5 before 4.2.5p74, when OpenSSL and autokey are enabled, allows remote attackers to execute arbitrary code via a crafted packet containing an extension field...

K51444934: NTP vulnerability CVE-2016-7426

Security Advisory Description NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service prevent responses from the sources by sending responses with a spoofed source...

K16506: NTP vulnerability CVE-2015-1799

Security Advisory Description The symmetric-key feature in the receive function in ntpproto.c in ntpd in NTP 3.x and 4.x before 4.2.8p2 performs state-variable updates upon receiving certain invalid packets, which makes it easier for man-in-the-middle attackers to cause a denial of service...

K55376430: NTP vulnerabilities CVE-2020-13817

Security Advisory Description The ntpd in the network time protocol NTP before 4.2.8p14, and in 4.3.x before 4.3.100, allows remote attackers to cause a denial-of-service DoS, either daemon exit or system time change, by predicting transmit timestamps for use in spoofed packets. The victim must b...

K43205719: NTP input validation vulnerability CVE-2016-1550

Security Advisory Description An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key. CVE-2016-1550...

SUSE CVE-2015-7691

The cryptoxmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service crash via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750...

SUSE CVE-2015-7849

Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service crash via crafted packets...

SUSE CVE-2015-7855

The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service assertion failure via a 6 or mode 7 packet containing a long data value...

SUSE CVE-2015-7977

ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service NULL pointer dereference via a ntpdc reslist command...

SUSE CVE-2016-4953

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service ephemeral-association demobilization by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time...

SUSE CVE-2016-4957

ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service daemon crash via a crypto-NAK packet. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547...