Security update for ntp
Announcement ID: | SUSE-SU-2016:1278-1 |
Rating: | important |
References: | #957226 #977446 #977450 #977451 #977452 #977455 #977457 #977458 #977459 #977461 #977464 |
Affected Products: |
An update that fixes 12 vulnerabilities is now available.
Description:
This update for ntp to 4.2.8p7 fixes the following issues:
* CVE-2016-1547, bsc#977459: Validate crypto-NAKs, AKA: CRYPTO-NAK DoS.
* CVE-2016-1548, bsc#977461: Interleave-pivot
* CVE-2016-1549, bsc#977451: Sybil vulnerability: ephemeral association
attack.
* CVE-2016-1550, bsc#977464: Improve NTP security against buffer
comparison timing attacks.
* CVE-2016-1551, bsc#977450: Refclock impersonation vulnerability
* CVE-2016-2516, bsc#977452: Duplicate IPs on unconfig directives will
cause an assertion botch in ntpd.
* CVE-2016-2517, bsc#977455: remote configuration trustedkey/
requestkey/controlkey values are not properly validated.
* CVE-2016-2518, bsc#977457: Crafted addpeer with hmode > 7 causes array
wraparound with MATCH_ASSOC.
* CVE-2016-2519, bsc#977458: ctl_getitem() return value not always checked.
* This update also improves the fixes for: CVE-2015-7704, CVE-2015-7705,
CVE-2015-7974
Bugs fixed:
- Restrict the parser in the startup script to the first
occurrance of "keys" and "controlkey" in ntp.conf (bsc#957226).
Patch Instructions:
To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Server 11-SP4:
zypper in -t patch slessp4-ntp-12553=1
- SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-ntp-12553=1
To bring your system up-to-date, use "zypper patch".
Package List:
- SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
- ntp-4.2.8p7-11.1
- ntp-doc-4.2.8p7-11.1
- SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
- ntp-debuginfo-4.2.8p7-11.1
- ntp-debugsource-4.2.8p7-11.1
References:
- https://www.suse.com/security/cve/CVE-2015-7704.html
- https://www.suse.com/security/cve/CVE-2015-7705.html
- https://www.suse.com/security/cve/CVE-2015-7974.html
- https://www.suse.com/security/cve/CVE-2016-1547.html
- https://www.suse.com/security/cve/CVE-2016-1548.html
- https://www.suse.com/security/cve/CVE-2016-1549.html
- https://www.suse.com/security/cve/CVE-2016-1550.html
- https://www.suse.com/security/cve/CVE-2016-1551.html
- https://www.suse.com/security/cve/CVE-2016-2516.html
- https://www.suse.com/security/cve/CVE-2016-2517.html
- https://www.suse.com/security/cve/CVE-2016-2518.html
- https://www.suse.com/security/cve/CVE-2016-2519.html
- https://bugzilla.suse.com/957226
- https://bugzilla.suse.com/977446
- https://bugzilla.suse.com/977450
- https://bugzilla.suse.com/977451
- https://bugzilla.suse.com/977452
- https://bugzilla.suse.com/977455
- https://bugzilla.suse.com/977457
- https://bugzilla.suse.com/977458
- https://bugzilla.suse.com/977459
- https://bugzilla.suse.com/977461
- https://bugzilla.suse.com/977464