CVE-2016-0778

Exp

The (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2, when certain proxy and forward options are enabled, do not properly maintain connection file descriptors, which allows remote servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by requesting many forwardings.

公开： 2016-01-14 最后更新： 2026-06-16 分配方： [email protected] 来源： [email protected]
NVD 状态：Modified，CVE 状态： published
查看： NVD, CVE.org, EUVD, CNNVD

CVE-2016-0778 综合评估为高可利用风险（86.4/100）：CVSS 技术影响为高级，利用概率偏高（EPSS 20.37%，百分位 97%） 已收录 1 条公开利用参考（Exploit-DB）。 近一日 EPSS 上升 +19.58%，被利用关注度持续升高。 存在公开利用—请排查暴露面、落实缓解措施并优先修补。

风险随态势动态变化；本站持续评估并同步更新本页展示内容。

CVE-2016-0778 的公开 exploit 引用（Exploit-DB）

EDB-ID 来源 类型 公开时间 链接
— nvd_ref exploit_tag Exploit-DB ↗

CVE-2016-0778 的 EPSS（利用预测评分）

EPSS 日更估计相对被利用可能性；百分位表示该 CVE 在已评分漏洞中的相对排名（越高表示相对更严重）。

# 日期 旧 EPSS 分数 新 EPSS 分数 变化（新 − 旧）
1 2026-06-15 0.79% 20.37% +19.58%
2 2026-05-30 0.91% 0.79% -0.13%
3 2026-05-13 — 0.91% —

完整 EPSS 历史 （共 50 条）

CVE-2016-0778 的 CVSS 指标

该 CVE 的 CVSS 指标。

底座分 版本 严重度 向量 可利用性 影响 分数来源
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H 点击展开
攻击向量 (AV:N)
经互联网或企业内可路由网段即可从远端触达，攻击者不必出现在设备旁。
攻击复杂度 (AC:H)
即便网络可达，也常要卡窗口、凑负载或特定版本组合才打得响。
权限要求 (PR:N)
不必事先登录或提权，匿名会话也可能成为跳板。
用户交互 (UI:N)
无需受害者点击链接、放行宏或安装软件，攻击链可自动走完。
作用域 (S:U)
破坏局限在脆弱组件原本的安全权限与信任域之内。
机密性影响 (C:H)
批量读取、导出或长期潜伏窃取机密数据，在实战上成立。
完整性影响 (I:H)
可篡改审计日志、植入后门或大面积伪造业务数据，动摇信任根基。
可用性影响 (A:H)
可造成长时间中断、关键事务无法完成，或伴随数据损毁导致难以自愈。
 2.2 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0
8.1 3.0 HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H 点击展开
攻击向量 (AV:N)
经互联网或企业内可路由网段即可从远端触达，攻击者不必出现在设备旁。
攻击复杂度 (AC:H)
即便网络可达，也常要卡窗口、凑负载或特定版本组合才打得响。
权限要求 (PR:N)
不必事先登录或提权，匿名会话也可能成为跳板。
用户交互 (UI:N)
无需受害者点击链接、放行宏或安装软件，攻击链可自动走完。
作用域 (S:U)
破坏局限在脆弱组件原本的安全权限与信任域之内。
机密性影响 (C:H)
批量读取、导出或长期潜伏窃取机密数据，在实战上成立。
完整性影响 (I:H)
可篡改审计日志、植入后门或大面积伪造业务数据，动摇信任根基。
可用性影响 (A:H)
可造成长时间中断、关键事务无法完成，或伴随数据损毁导致难以自愈。
 2.2 5.9 [email protected]
4.6 2.0 MEDIUM
AV:N/AC:H/Au:S/C:P/I:P/A:P 点击展开
访问路径 (AV:N)
只要路由可达，即可从远端发起利用。
访问复杂度 (AC:H)
依赖罕见配置或苛刻时机，实战命中概率低。
认证 (AU:S)
突破一次认证边界即可。
机密性影响 (C:P)
机密性受到部分损害。
完整性影响 (I:P)
完整性受到部分损害。
可用性影响 (A:P)
可用性受到部分损害。
 3.9 6.4 [email protected]

CVE-2016-0778 的弱点枚举

CVE-2016-0778 的 OS 跟踪

vendor priority summary link
debian not yet assigned CVE-2016-0778 not yet assigned priority: Debian including 1 source packages (openssh), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-0778
gentoo normal CVE-2016-0778: 1 GLSA(s) (201601-01), 1 atom(s) (net-misc/openssh); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-0778
redhat low — https://access.redhat.com/security/cve/CVE-2016-0778
suse high CVE-2016-0778 severity important: SUSE including 117 source package names (openssh-10.0p2-160000.2.2, openssh-6.2p2-0.24.1, …), 184 product×package rows across 51 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 11 SP3, … (51 product lines)): Fixed 184. https://www.suse.com/security/cve/CVE-2016-0778/
ubuntu medium CVE-2016-0778 medium priority: Ubuntu including 1 source packages (openssh), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 5. https://ubuntu.com/security/CVE-2016-0778

CVE-2016-0778 的影响软件 / 配置

厂商 产品 版本 原始 CPE
oracle linux 7 cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
oracle solaris 11.3 cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
openbsd openssh 5.4 cpe:2.3:a:openbsd:openssh:5.4:*:*:*:*:*:*:*
openbsd openssh 5.4 cpe:2.3:a:openbsd:openssh:5.4:p1:*:*:*:*:*:*
openbsd openssh 5.5 cpe:2.3:a:openbsd:openssh:5.5:*:*:*:*:*:*:*
openbsd openssh 5.5 cpe:2.3:a:openbsd:openssh:5.5:p1:*:*:*:*:*:*
openbsd openssh 5.6 cpe:2.3:a:openbsd:openssh:5.6:*:*:*:*:*:*:*
openbsd openssh 5.6 cpe:2.3:a:openbsd:openssh:5.6:p1:*:*:*:*:*:*
openbsd openssh 5.7 cpe:2.3:a:openbsd:openssh:5.7:*:*:*:*:*:*:*
openbsd openssh 5.7 cpe:2.3:a:openbsd:openssh:5.7:p1:*:*:*:*:*:*
openbsd openssh 5.8 cpe:2.3:a:openbsd:openssh:5.8:*:*:*:*:*:*:*
openbsd openssh 5.8 cpe:2.3:a:openbsd:openssh:5.8:p1:*:*:*:*:*:*
openbsd openssh 5.9 cpe:2.3:a:openbsd:openssh:5.9:*:*:*:*:*:*:*
openbsd openssh 5.9 cpe:2.3:a:openbsd:openssh:5.9:p1:*:*:*:*:*:*
openbsd openssh 6.0 cpe:2.3:a:openbsd:openssh:6.0:*:*:*:*:*:*:*
openbsd openssh 6.0 cpe:2.3:a:openbsd:openssh:6.0:p1:*:*:*:*:*:*
openbsd openssh 6.1 cpe:2.3:a:openbsd:openssh:6.1:*:*:*:*:*:*:*
openbsd openssh 6.1 cpe:2.3:a:openbsd:openssh:6.1:p1:*:*:*:*:*:*
openbsd openssh 6.2 cpe:2.3:a:openbsd:openssh:6.2:*:*:*:*:*:*:*
openbsd openssh 6.2 cpe:2.3:a:openbsd:openssh:6.2:p1:*:*:*:*:*:*
openbsd openssh 6.2 cpe:2.3:a:openbsd:openssh:6.2:p2:*:*:*:*:*:*
openbsd openssh 6.3 cpe:2.3:a:openbsd:openssh:6.3:*:*:*:*:*:*:*
openbsd openssh 6.3 cpe:2.3:a:openbsd:openssh:6.3:p1:*:*:*:*:*:*
openbsd openssh 6.4 cpe:2.3:a:openbsd:openssh:6.4:*:*:*:*:*:*:*
openbsd openssh 6.4 cpe:2.3:a:openbsd:openssh:6.4:p1:*:*:*:*:*:*
openbsd openssh 6.5 cpe:2.3:a:openbsd:openssh:6.5:*:*:*:*:*:*:*
openbsd openssh 6.5 cpe:2.3:a:openbsd:openssh:6.5:p1:*:*:*:*:*:*
openbsd openssh 6.6 cpe:2.3:a:openbsd:openssh:6.6:*:*:*:*:*:*:*
openbsd openssh 6.6 cpe:2.3:a:openbsd:openssh:6.6:p1:*:*:*:*:*:*
openbsd openssh 6.7 cpe:2.3:a:openbsd:openssh:6.7:*:*:*:*:*:*:*
openbsd openssh 6.7 cpe:2.3:a:openbsd:openssh:6.7:p1:*:*:*:*:*:*
openbsd openssh 6.8 cpe:2.3:a:openbsd:openssh:6.8:*:*:*:*:*:*:*
openbsd openssh 6.8 cpe:2.3:a:openbsd:openssh:6.8:p1:*:*:*:*:*:*
openbsd openssh 6.9 cpe:2.3:a:openbsd:openssh:6.9:*:*:*:*:*:*:*
openbsd openssh 6.9 cpe:2.3:a:openbsd:openssh:6.9:p1:*:*:*:*:*:*
openbsd openssh 7.0 cpe:2.3:a:openbsd:openssh:7.0:*:*:*:*:*:*:*
openbsd openssh 7.0 cpe:2.3:a:openbsd:openssh:7.0:p1:*:*:*:*:*:*
openbsd openssh 7.1 cpe:2.3:a:openbsd:openssh:7.1:*:*:*:*:*:*:*
openbsd openssh 7.1 cpe:2.3:a:openbsd:openssh:7.1:p1:*:*:*:*:*:*
apple mac_os_x >= 10.9.0, <= 10.9.5 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple mac_os_x >= 10.10.0, <= 10.10.5 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple mac_os_x >= 10.11.0, <= 10.11.3 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
hp virtual_customer_access_system <= 15.07 cpe:2.3:o:hp:virtual_customer_access_system:*:*:*:*:*:*:*:*
sophos unified_threat_management_software 9.353 cpe:2.3:a:sophos:unified_threat_management_software:9.353:*:*:*:*:*:*:*

CVE-2016-0778 的参考链接

URL 标签
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10734 Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html Mailing List Release Notes Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176516.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176349.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00006.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00007.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00008.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00009.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00013.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00014.html Mailing List Third Party Advisory
http://packetstormsecurity.com/files/135273/Qualys-Security-Advisory-OpenSSH-Overflow-Leak.html Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2016/Jan/44 Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3446 Third Party Advisory
http://www.openssh.com/txt/release-7.1p2 Patch Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/14/7 Exploit Mailing List Technical Description Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.securityfocus.com/archive/1/537295/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/80698 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1034671 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2869-1 Third Party Advisory
https://blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/ Release Notes Vendor Advisory
https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/ Release Notes Vendor Advisory
https://bto.bluecoat.com/security-advisory/sa109 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05247375 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 Third Party Advisory
https://security.gentoo.org/glsa/201601-01 Third Party Advisory
https://support.apple.com/HT206167 Vendor Advisory
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