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.

公開： 2016-01-14 最後更新： 2026-06-16 指派方： [email protected] 來源： [email protected]
NVD 狀態：Modified，CVE 狀態： published
檢視： NVD, CVE.org, EUVD

CVE-2016-0778 綜合評估為高可利用風險（86.4/100）：CVSS 技術影響為高級，利用機率偏高（EPSS 20.37%，百分位 97%） 已收錄 1 筆公開利用參考（Exploit-DB）。 近一日 EPSS 上升 +19.58%，被利用關注度持續升高。 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。

風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。

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

EDB-ID 來源 類型 公開時間 連結
— nvd_ref exploit_tag Exploit-DB ↗

CVE-2016-0778 的 EPSS（利用預測評分）

EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。

# 日期 舊 EPSS 分數 新 EPSS 分數 變化（新 − 舊）
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 歷史 （共 50 筆）

CVE-2016-0778 的 CVSS 指標

該 CVE 的 CVSS 指標。

底座分 版本 嚴重度 向量 可利用性 影響 分數來源
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H 點擊展開
攻擊向量 (AV:N)
可經網際網路或企業內可路由網段從遠端觸達，攻擊者不必在裝置旁邊。
攻擊複雜度 (AC:H)
即使網路可達，也常要卡時間窗、負載或特定版本組合才打得響。
權限需求 (PR:N)
不必事先登入或提權，匿名工作階段也可能成為跳板。
使用者互動 (UI:N)
不必受害者點連結、放行巨集或安裝軟體，攻擊鏈可自動走完。
作用域 (S:U)
破壞局限在脆弱元件原本的安全權限與信任域之內。
機密性影響 (C:H)
大量讀取、匯出或長期潛伏竊取機敏資料，在實務上成立。
完整性影響 (I:H)
可竄改稽核紀錄、植入後門或大面積偽造業務資料，動搖信任根基。
可用性影響 (A:H)
可造成長時間中斷、關鍵交易無法完成，或伴隨資料毀損導致難以自癒。
 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 點擊展開
攻擊向量 (AV:N)
可經網際網路或企業內可路由網段從遠端觸達，攻擊者不必在裝置旁邊。
攻擊複雜度 (AC:H)
即使網路可達，也常要卡時間窗、負載或特定版本組合才打得響。
權限需求 (PR:N)
不必事先登入或提權，匿名工作階段也可能成為跳板。
使用者互動 (UI:N)
不必受害者點連結、放行巨集或安裝軟體，攻擊鏈可自動走完。
作用域 (S:U)
破壞局限在脆弱元件原本的安全權限與信任域之內。
機密性影響 (C:H)
大量讀取、匯出或長期潛伏竊取機敏資料，在實務上成立。
完整性影響 (I:H)
可竄改稽核紀錄、植入後門或大面積偽造業務資料，動搖信任根基。
可用性影響 (A:H)
可造成長時間中斷、關鍵交易無法完成，或伴隨資料毀損導致難以自癒。
 2.2 5.9 [email protected]
4.6 2.0 MEDIUM
AV:N/AC:H/Au:S/C:P/I:P/A:P 點擊展開
存取路徑 (AV:N)
只要路由可達，即可從遠端發動利用。
存取複雜度 (AC:H)
依賴罕見組態或苛刻時機，實戰命中機率低。
認證 (AU:S)
突破一次認證邊界即可。
機密性影響 (C:P)
機密性受到部分損害。
完整性影響 (I:P)
完整性受到部分損害。
可用性影響 (A:P)
可用性受到部分損害。
 3.9 6.4 [email protected]

CVE-2016-0778 的弱點列舉

CVE-2016-0778 的 OS 追蹤

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 的影響軟體 / 設定

廠商 產品 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 的參考連結

URL 標籤
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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