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Višestruke ranjivosti programskog paketa ntp

  • Detalji os-a: FED
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LFE

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Fedora Update Notification
FEDORA-2015-f5f5ec7b6b
2015-11-02 17:42:58.181594
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Name : ntp
Product : Fedora 23
Version : 4.2.6p5
Release : 34.fc23
URL : http://www.ntp.org
Summary : The NTP daemon and utilities
Description :
The Network Time Protocol (NTP) is used to synchronize a computer’s
time with another reference time source. This package includes ntpd
(a daemon which continuously adjusts system time) and utilities used
to query and configure the ntpd daemon.

Perl scripts ntp-wait and ntptrace are in the ntp-perl package,
ntpdate is in the ntpdate package and sntp is in the sntp package.
The documentation is in the ntp-doc package.

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Update Information:

Security fix for CVE-2015-7704, CVE-2015-5300, CVE-2015-7692, CVE-2015-7871,
CVE-2015-7702, CVE-2015-7691, CVE-2015-7852, CVE-2015-7701
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References:

[ 1 ] Bug #1274254 – CVE-2015-7691 CVE-2015-7692 CVE-2015-7702 ntp: incomplete checks in ntp_crypto.c
https://bugzilla.redhat.com/show_bug.cgi?id=1274254
[ 2 ] Bug #1274255 – CVE-2015-7701 ntp: slow memory leak in CRYPTO_ASSOC
https://bugzilla.redhat.com/show_bug.cgi?id=1274255
[ 3 ] Bug #1274261 – CVE-2015-7852 ntp: ntpq atoascii memory corruption vulnerability
https://bugzilla.redhat.com/show_bug.cgi?id=1274261
[ 4 ] Bug #1274265 – CVE-2015-7871 ntp: crypto-NAK symmetric association authentication bypass vulnerability
https://bugzilla.redhat.com/show_bug.cgi?id=1274265
[ 5 ] Bug #1271070 – CVE-2015-7704 ntp: disabling synchronization via crafted KoD packet
https://bugzilla.redhat.com/show_bug.cgi?id=1271070
[ 6 ] Bug #1271076 – CVE-2015-5300 ntp: MITM attacker can force ntpd to make a step larger than the panic threshold
https://bugzilla.redhat.com/show_bug.cgi?id=1271076
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This update can be installed with the “yum” update program. Use
su -c ‘yum update ntp’ at the command line.
For more information, refer to “Managing Software with yum”,
available at https://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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package-announce@lists.fedoraproject.org
https://admin.fedoraproject.org/mailman/listinfo/package-announce

AutorTomislav Protega
Cert idNCERT-REF-2015-11-0002-ADV
CveCVE-2015-7704 CVE-2015-5300 CVE-2015-7692 CVE-2015-7871 CVE-2015-7702 CVE-2015-7691 CVE-2015-7852 CVE-2015-7701
ID izvornikaFEDORA-2015-f5f5ec7b6b
Proizvodntp
Izvorhttp://www.redhat.com
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