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...

CVE-2016-4955

ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service peer-variable clearing and association outage by sending 1 a spoofed crypto-NAK packet or 2 a packet with an incorrect MAC value at a certain time...

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...

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...

CVE-2016-4957

ntpd (NTP) before version 4.2.8p8 is vulnerable to a remote DoS via specially crafted crypto-NAK packets, causing ntpd to crash. This issue stems from an incorrect fix applied after CVE-2016-1547 and affects ntpd’s handling of CRYPTO-NAK. Public references indicate an impact to the daemon’s avail...

CVE-2016-4953

CVE-2016-4953 affects ntpd (NTP 4.x) and relates to DoS via crafted CRYPTO_NAK or spoofed packets that can demobilize ephemeral associations, potentially disrupting time synchronization. Connected docs confirm multiple ntpd-family vulnerabilities (CVE-2016-4953/4954/4955/4956/4957) with root caus...

Network Time Protocol Daemon crypto-NAK Denial of Service (CVE-2016-4957)

A denial of service vulnerability exists in the Network Time Protocol daemon NTPD. The vulnerability is due to a null pointer dereference when handling crypto-NAK packets. A remote attacker can exploit this vulnerability by sending an unsolicited crypto-NAK packet to the target service...

UBUNTU-CVE-2016-4955

ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service peer-variable clearing and association outage by sending 1 a spoofed crypto-NAK packet or 2 a packet with an incorrect MAC value at a certain time...

CVE-2016-4955

ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service peer-variable clearing and association outage by sending 1 a spoofed crypto-NAK packet or 2 a packet with an incorrect MAC value at a certain time...

Patrick Wardle on macOS Gatekeeper, Crypto Enhancements

At last week’s Apple Worldwide Developer Conference, Apple announced some security upgrades around Gatekeeper and a new filesystem that includes native support for encryption. Mac hacker Patrick Wardle, director of research at Synack, explains whether this a big deal and how the upgrades address...

CVE-2016-2178

The dsasignsetup function in crypto/dsa/dsaossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack...

NTP Patches Flaws That Enable DDoS

The network time protocol, at the center of a number of high-profile DDoS attacks in 2014, was updated on Thursday to ntp-4.2.8p8. The latest version includes patches for five vulnerabilities, including one rated high-severity. NTP, specifically the NTP daemon, synchronizes system clocks with tim...

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...

UBUNTU-CVE-2016-1902

The nextBytes function in the SecureRandom class in Symfony before 2.3.37, 2.6.x before 2.6.13, and 2.7.x before 2.7.9 does not properly generate random numbers when used with PHP 5.x without the paragonie/randomcompat library and the opensslrandompseudobytes function fails, which makes it easier...

SUSE-SU-2016:1471-1 Security update for ntp

This update for ntp fixes the following issues: - Separate the creation of ntp.keys and key 1 in it to avoid problems when upgrading installations that have the file, but no key 1, which is needed e.g. by 'rcntp addserver'. - Update to 4.2.8p7 bsc977446: CVE-2016-1547, bsc977459: Validate...

Apple Hires Crypto Innovator Jon Callas

Jon Callas, equal parts security entrepreneur and innovator, has been hired at Apple for what will be his third stint with the company. Callas left Silent Circle, a company he cofounded, in April after four years there. Silent Circle designs and produces secure communication platforms, including...

Google Go Denial of Service Vulnerability

Google Go is a programming language optimized for programming applications on multiprocessor systems by Google. A denial of service vulnerability exists in the Verify function in the crypto/dsa/dsa.go file in Google Go versions prior to 1.5.4 and 1.6.x versions prior to 1.6.1, which stems from a...

AZL-79052 CVE-2016-3959 affecting package golang 1.25.7-1

The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote attackers to cause a denial of service infinite loop via a crafted public key to a program that uses HTTPS client...

UBUNTU-CVE-2016-3959

The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote attackers to cause a denial of service infinite loop via a crafted public key to a program that uses HTTPS client...

CVE-2016-3959

The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote attackers to cause a denial of service infinite loop via a crafted public key to a program that uses HTTPS client...