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centosCentOS ProjectCESA-2007:0740
HistoryJul 24, 2007 - 3:48 p.m.

bind, caching security update

2007-07-2415:48:10
CentOS Project
lists.centos.org
50

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.111 Low

EPSS

Percentile

95.1%

CentOS Errata and Security Advisory CESA-2007:0740

ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS
(Domain Name System) protocols.

A flaw was found in the way BIND generates outbound DNS query ids. If an
attacker is able to acquire a finite set of query IDs, it becomes possible
to accurately predict future query IDs. Future query ID prediction may
allow an attacker to conduct a DNS cache poisoning attack, which can result
in the DNS server returning incorrect client query data. (CVE-2007-2926)

Users of BIND are advised to upgrade to these updated packages, which
contain backported patches to correct this issue.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2007-July/076235.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076236.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076237.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076238.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076240.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076241.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076242.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076243.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076244.html
https://lists.centos.org/pipermail/centos-announce/2007-July/076245.html

Affected packages:
bind
bind-chroot
bind-devel
bind-libbind-devel
bind-libs
bind-sdb
bind-utils
caching-nameserver

Upstream details at:
https://access.redhat.com/errata/RHSA-2007:0740

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.111 Low

EPSS

Percentile

95.1%