Описание
Security update for ntp
ntp was updated to version 4.2.8p6 to fix 12 security issues.
Also yast2-ntp-client was updated to match some sntp syntax changes. (bsc#937837)
These security issues were fixed:
- CVE-2015-8158: Fixed potential infinite loop in ntpq (bsc#962966).
- CVE-2015-8138: Zero Origin Timestamp Bypass (bsc#963002).
- CVE-2015-7979: Off-path Denial of Service (DoS) attack on authenticated broadcast mode (bsc#962784).
- CVE-2015-7978: Stack exhaustion in recursive traversal of restriction list (bsc#963000).
- CVE-2015-7977: reslist NULL pointer dereference (bsc#962970).
- CVE-2015-7976: ntpq saveconfig command allows dangerous characters in filenames (bsc#962802).
- CVE-2015-7975: nextvar() missing length check (bsc#962988).
- CVE-2015-7974: Skeleton Key: Missing key check allows impersonation between authenticated peers (bsc#962960).
- CVE-2015-7973: Replay attack on authenticated broadcast mode (bsc#962995).
- CVE-2015-8140: ntpq vulnerable to replay attacks (bsc#962994).
- CVE-2015-8139: Origin Leak: ntpq and ntpdc, disclose origin (bsc#962997).
- CVE-2015-5300: MITM attacker could have forced ntpd to make a step larger than the panic threshold (bsc#951629).
These non-security issues were fixed:
- fate#320758 bsc#975981: Enable compile-time support for MS-SNTP (--enable-ntp-signd). This replaces the w32 patches in 4.2.4 that added the authreg directive.
- bsc#962318: Call /usr/sbin/sntp with full path to synchronize in start-ntpd. When run as cron job, /usr/sbin/ is not in the path, which caused the synchronization to fail.
- bsc#782060: Speedup ntpq.
- bsc#916617: Add /var/db/ntp-kod.
- bsc#956773: Add ntp-ENOBUFS.patch to limit a warning that might happen quite a lot on loaded systems.
- bsc#951559,bsc#975496: Fix the TZ offset output of sntp during DST.
- Add ntp-fork.patch and build with threads disabled to allow name resolution even when running chrooted.
This update was imported from the SUSE:SLE-12-SP1:Update update project.
Список пакетов
openSUSE Leap 42.1
Ссылки
- E-Mail link for openSUSE-SU-2016:1292-1
- SUSE Security Ratings
Описание
The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was greater than 128 milliseconds by default, which allows remote attackers to set NTP to an arbitrary time when started with the -g option, or to alter the time by up to 900 seconds otherwise by responding to an unspecified number of requests from trusted sources, and leveraging a resulting denial of service (abort and restart).
Затронутые продукты
Ссылки
- CVE-2015-5300
- SUSE Bug 951629
- SUSE Bug 959243
Описание
NTP before 4.2.8p6 and 4.3.x before 4.3.90, when configured in broadcast mode, allows man-in-the-middle attackers to conduct replay attacks by sniffing the network.
Затронутые продукты
Ссылки
- CVE-2015-7973
- SUSE Bug 959243
- SUSE Bug 962995
Описание
NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."
Затронутые продукты
Ссылки
- CVE-2015-7974
- SUSE Bug 959243
- SUSE Bug 962960
- SUSE Bug 962995
Описание
The nextvar function in NTP before 4.2.8p6 and 4.3.x before 4.3.90 does not properly validate the length of its input, which allows an attacker to cause a denial of service (application crash).
Затронутые продукты
Ссылки
- CVE-2015-7975
- SUSE Bug 959243
- SUSE Bug 962988
- SUSE Bug 962995
Описание
The ntpq saveconfig command in NTP 4.1.2, 4.2.x before 4.2.8p6, 4.3, 4.3.25, 4.3.70, and 4.3.77 does not properly filter special characters, which allows attackers to cause unspecified impact via a crafted filename.
Затронутые продукты
Ссылки
- CVE-2015-7976
- SUSE Bug 962802
- SUSE Bug 962995
Описание
ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command.
Затронутые продукты
Ссылки
- CVE-2015-7977
- SUSE Bug 959243
- SUSE Bug 962970
- SUSE Bug 962995
Описание
NTP before 4.2.8p6 and 4.3.0 before 4.3.90 allows a remote attackers to cause a denial of service (stack exhaustion) via an ntpdc relist command, which triggers recursive traversal of the restriction list.
Затронутые продукты
Ссылки
- CVE-2015-7978
- SUSE Bug 959243
- SUSE Bug 962970
- SUSE Bug 962995
- SUSE Bug 963000
Описание
NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (client-server association tear down) by sending broadcast packets with invalid authentication to a broadcast client.
Затронутые продукты
Ссылки
- CVE-2015-7979
- SUSE Bug 959243
- SUSE Bug 962784
- SUSE Bug 962995
- SUSE Bug 977459
- SUSE Bug 982065
Описание
NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to bypass the origin timestamp validation via a packet with an origin timestamp set to zero.
Затронутые продукты
Ссылки
- CVE-2015-8138
- SUSE Bug 951608
- SUSE Bug 959243
- SUSE Bug 963002
- SUSE Bug 974668
- SUSE Bug 977446
Описание
ntpq in NTP before 4.2.8p7 allows remote attackers to obtain origin timestamps and then impersonate peers via unspecified vectors.
Затронутые продукты
Ссылки
- CVE-2015-8139
- SUSE Bug 1010964
- SUSE Bug 959243
- SUSE Bug 962997
Описание
The ntpq protocol in NTP before 4.2.8p7 allows remote attackers to conduct replay attacks by sniffing the network.
Затронутые продукты
Ссылки
- CVE-2015-8140
- SUSE Bug 1010964
- SUSE Bug 959243
- SUSE Bug 962994
Описание
The getresponse function in ntpq in NTP versions before 4.2.8p9 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (infinite loop) via crafted packets with incorrect values.
Затронутые продукты
Ссылки
- CVE-2015-8158
- SUSE Bug 959243
- SUSE Bug 962966