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CVE-2017-7401

Status Candidate

Overview

Incorrect interaction of the parse_packet() and parse_part_sign_sha256() functions in network.c in collectd 5.7.1 and earlier allows remote attackers to cause a denial of service (infinite loop) of a collectd instance (configured with "SecurityLevel None" and with empty "AuthFile" options) via a crafted UDP packet.

Related Files

Red Hat Security Advisory 2017-1787-01
Posted Jul 19, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1787-01 - collectd is a small C-language daemon, which reads various system metrics periodically and updates RRD files. Because the daemon does not start up each time it updates files, it has a low system footprint. The following packages have been upgraded to a later upstream version: collectd. Security Fix: collectd contains an infinite loop due to how the parse_packet() and parse_part_sign_sha256() functions interact. If an instance of collectd is configured with "SecurityLevel None" and empty "AuthFile" options, an attacker can send crafted UDP packets that trigger the infinite loop, causing a denial of service.

tags | advisory, denial of service, udp
systems | linux, redhat
advisories | CVE-2017-7401
MD5 | 4d3bb0a8e2364a7904cc7d4aef7bacc6
Red Hat Security Advisory 2017-1285-01
Posted May 26, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1285-01 - collectd is a small C-language daemon, which reads various system metrics periodically and updates RRD files. Because the daemon does not start up each time it updates files, it has a low system footprint. The following packages have been upgraded to a newer upstream version: collectd. Security Fix: collectd contains an infinite loop due to how the parse_packet() and parse_part_sign_sha256() functions interact. If an instance of collectd is configured with "SecurityLevel None" and with empty "AuthFile" options an attacker can send crafted UDP packets that trigger the infinite loop, causing a denial of service.

tags | advisory, denial of service, udp
systems | linux, redhat
advisories | CVE-2017-7401
MD5 | 1e5823ecffc2f0b50c62569eb2138b2b
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