低危 NTP 拒绝服务代码执行

CVE编号

CVE-2015-7853

利用情况

暂无

补丁情况

官方补丁

披露时间

2017-08-08
漏洞描述
在4.2.8p4之前的 4.2.x\和4.3.77之前的4.3.xNTP中的refclock驱动程序中的datalen参数允许远程攻击者通过负输入值执行任意代码或导致拒绝服务(崩溃)。

解决建议

目前厂商已发布升级补丁以修复漏洞,补丁获取链接:
http://support.ntp.org/bin/view/Main/NtpBug2920
参考链接
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
http://packetstormsecurity.com/files/134082/FreeBSD-Security-Advisory-ntp-Aut...
http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-U...
http://support.ntp.org/bin/view/Main/NtpBug2920
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa...
http://www.securityfocus.com/archive/1/536737/100/0/threaded
http://www.securityfocus.com/archive/1/536760/100/0/threaded
http://www.securityfocus.com/archive/1/536796/100/0/threaded
http://www.securityfocus.com/archive/1/536833/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
http://www.securityfocus.com/archive/1/archive/1/536760/100/100/threaded
http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
http://www.securityfocus.com/archive/1/archive/1/536833/100/100/threaded
http://www.securityfocus.com/bid/77273
http://www.securitytracker.com/id/1033951
http://www.talosintel.com/vulnerability-reports/
http://www.ubuntu.com/usn/USN-2783-1
https://bto.bluecoat.com/security-advisory/sa103
https://bugzilla.redhat.com/show_bug.cgi?id=1274262
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
https://security.gentoo.org/glsa/201607-15
https://security.netapp.com/advisory/ntap-20171004-0001/
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
受影响软件情况
# 类型 厂商 产品 版本 影响面
1
运行在以下环境
应用 netapp oncommand_balance - -
运行在以下环境
应用 netapp oncommand_performance_manager - -
运行在以下环境
应用 netapp oncommand_unified_manager - -
运行在以下环境
应用 ntp ntp * From
(including)
4.2.0
Up to
(excluding)
4.2.8
运行在以下环境
应用 ntp ntp * From
(including)
4.3.0
Up to
(excluding)
4.3.77
运行在以下环境
应用 ntp ntp 4.2.8 -
运行在以下环境
系统 debian DPKG * Up to
(excluding)
1:4.2.8p4+dfsg-1
运行在以下环境
系统 opensuse_13.2 ntp * Up to
(excluding)
4.2.8p7-25.15.1
运行在以下环境
系统 opensuse_13.2 ntp-doc * Up to
(excluding)
4.2.8p7-25.15.1
运行在以下环境
系统 opensuse_Leap_42.1 ntp * Up to
(excluding)
4.2.8p4-9.2
运行在以下环境
系统 opensuse_Leap_42.1 ntp-doc * Up to
(excluding)
4.2.8p4-9.2
运行在以下环境
系统 suse_11_SP4 ntp * Up to
(excluding)
4.2.8p4-5.1
运行在以下环境
系统 suse_11_SP4 ntp-doc * Up to
(excluding)
4.2.8p4-5.1
运行在以下环境
系统 suse_12 ntp * Up to
(excluding)
4.2.8p6-46.5.2
运行在以下环境
系统 suse_12 ntp-doc * Up to
(excluding)
4.2.8p6-46.5.2
运行在以下环境
系统 ubuntu_12.04.5_lts ntp * Up to
(excluding)
1:4.2.6.p3+dfsg-1ubuntu3.6
运行在以下环境
系统 ubuntu_14.04 ntp * Up to
(excluding)
1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
运行在以下环境
系统 ubuntu_14.04.6_lts ntp * Up to
(excluding)
1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
阿里云评分
3.1
  • 攻击路径
    远程
  • 攻击复杂度
    复杂
  • 权限要求
    无需权限
  • 影响范围
    有限影响
  • EXP成熟度
    未验证
  • 补丁情况
    官方补丁
  • 数据保密性
    无影响
  • 数据完整性
    无影响
  • 服务器危害
    无影响
  • 全网数量
    100
CWE-ID 漏洞类型
CWE-120 未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
阿里云安全产品覆盖情况