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CVE-2018-19115

Status Candidate

Overview

keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap.

Related Files

Red Hat Security Advisory 2019-1945-01
Posted Jul 30, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1945-01 - The keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server kernel module providing layer-4 load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol to achieve high availability with director failover. Issues addressed include buffer overflow, code execution, and denial of service vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability, code execution, protocol
systems | linux, redhat
advisories | CVE-2018-19115
MD5 | 8eef904316a7f316112fcc3d61fbc96c
Red Hat Security Advisory 2019-1792-01
Posted Jul 16, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1792-01 - The keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server kernel module providing layer-4 load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol to achieve high availability with director failover. Issues addressed include buffer overflow, code execution, and denial of service vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability, code execution, protocol
systems | linux, redhat
advisories | CVE-2018-19115
MD5 | 3765b627b8b5a8ed2405b60ec92ee43a
Ubuntu Security Notice USN-3995-2
Posted May 29, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3995-2 - USN-3995-1 fixed a vulnerability in keepalived. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. It was discovered that Keepalived incorrectly handled certain HTTP status response codes. A remote attacker could use this issue to cause Keepalived to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, web, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-19115
MD5 | c5466aaafd1f69f07d265ac358a1056c
Ubuntu Security Notice USN-3995-1
Posted May 28, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3995-1 - It was discovered that Keepalived incorrectly handled certain HTTP status response codes. A remote attacker could use this issue to cause Keepalived to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, web, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-19115
MD5 | 550c6d41020d3a32449ed4465bcdd2d0
Gentoo Linux Security Advisory 201903-01
Posted Mar 10, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201903-1 - Multiple vulnerabilities have been found in Keepalived, the worst of which could allow an attacker to cause Denial of Service condition. Versions less than 2.0.10 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2018-19044, CVE-2018-19045, CVE-2018-19046, CVE-2018-19115
MD5 | b871631c7c75a9ff65246226d82a5d6d
Red Hat Security Advisory 2019-0022-01
Posted Jan 3, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0022-01 - The keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server kernel module providing layer-4 load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol to achieve high availability with director failover. Issues addressed include buffer overflow, code execution, and denial of service vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability, code execution, protocol
systems | linux, redhat
advisories | CVE-2018-19115
MD5 | b861d262ff7dc8c96c64b2ee9162c62a
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