CVE-2015-1821

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service chronyd crash or possibly execute arbitrary code by configuring the 1 NTP or 2 cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the...

CVE-2015-1822

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service uninitialized pointer dereference and daemon crash or possibly execute arbitrary code via a large number of...

CVE-2015-1821

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service chronyd crash or possibly execute arbitrary code by configuring the 1 NTP or 2 cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the...

CVE-2015-1821

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service chronyd crash or possibly execute arbitrary code by configuring the 1 NTP or 2 cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the...

CVE-2015-1821: Improper Restriction of Operations within the Bounds of a Memory Buffer

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service chronyd crash or possibly execute arbitrary code by configuring the 1 NTP or 2 cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the...

CVE-2015-1822: Undefined Security Weakness

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service uninitialized pointer dereference and daemon crash or possibly execute arbitrary code via a large number of...

Chrony Memory Corruption Vulnerability

Chrony is a tool for computer time synchronization that implements the NTP protocol and can be used as both a client-side and a server-side program, which is particularly suitable for maintaining computer time accuracy in environments without network connectivity. Chrony has uninitialized pointer...

Debian DSA-3222-1 : chrony - security update

Miroslav Lichvar of Red Hat discovered multiple vulnerabilities in chrony, an alternative NTP client and server : - CVE-2015-1821 Using particular address/subnet pairs when configuring access control would cause an invalid memory write. This could allow attackers to cause a denial of service cras...

Debian DLA-193-1 : chrony security update

CVE-2015-1853 : Protect authenticated symmetric NTP associations against DoS attacks. An attacker knowing that NTP hosts A and B are peering with each other symmetric association can send a packet with random timestamps to host A with source address of B which will set the NTP state variables on ...

[SECURITY] [DLA 193-1] chrony security update

Package : chrony Version : 1.24-3+squeeze2 CVE ID : CVE-2015-1821 CVE-2015-1822 CVE-2015-1853 Debian Bug : 782160 CVE-2015-1853: Protect authenticated symmetric NTP associations against DoS attacks. An attacker knowing that NTP hosts A and B are peering with each other symmetric association can...

[SECURITY] [DSA 3222-1] chrony security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3222-1 [email protected] http://www.debian.org/security/ Alessandro Ghedini April 12, 2015 http://www.debian.org/security/faq -...

Debian Security Advisory DSA 3222-1 (chrony - security update)

Miroslav Lichvar of Red Hat discovered multiple vulnerabilities in chrony, an alternative NTP client and server: CVE-2015-1821 Using particular address/subnet pairs when configuring access control would cause an invalid memory write. This could allow attackers to cause a denial of service crash o...

PT-2015-5459 · Chrony +3 · Chrony +3

Name of the Vulnerable Software and Affected Versions: chrony versions prior to 1.31.1 Description: The issue allows remote authenticated users to cause a denial of service or possibly execute arbitrary code via a large number of command requests, due to the failure to initialize the last "next"...

PT-2019-7172 · Chrony +3 · Chrony +3

Name of the Vulnerable Software and Affected Versions: chrony versions prior to 1.31.1 Description: The issue allows remote attackers with knowledge of NTP peering to cause a denial of service, specifically the inability to synchronize, by sending crafted NTP data packets with random timestamps i...

PT-2015-5458 · Chrony +3 · Chrony +3

Name of the Vulnerable Software and Affected Versions: chrony versions prior to 1.31.1 Description: The issue allows remote authenticated users to cause a denial of service or possibly execute arbitrary code by configuring NTP or cmdmon access with a subnet size that is indivisible by four and an...

DSA-3222-1 chrony - security update

Bulletin has no description...

DLA-193-1 chrony - security update

Bulletin has no description...

Debian: Security Advisory (DSA-3222-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

chrony: denial of service

CVE-2015-1853 denial of service: This issue is similiar to the "ntp CVE-2015-1799"-issue. An attacker knowing that NTP hosts A and B are peering with each other symmetric association can send a packet to host A with source address of B which will set the NTP state variables on A to the values sen...

chrony -- multiple vulnerabilities

Chrony News reports: CVE-2015-1853: DoS attack on authenticated symmetric NTP associations CVE-2015-1821: Heap-based buffer overflow in access configuration CVE-2015-1822: Use of uninitialized pointer in command processing...