CVE-2016-0777

The resend_bytes function in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2 allows remote servers to obtain sensitive information from process memory by requesting transmission of an entire buffer, as demonstrated by reading a private key.

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-2016-0777 綜合評估為中等風險（55.7/100）：CVSS 技術影響為中級，利用機率偏高（EPSS 63.47%，百分位 99%） EPSS 顯示該漏洞近期被利用的可能性處於高位。 被利用機率偏高—請盤點暴露面並優先安排修補。

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-2016-0777 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 77.40% 63.47% -13.93%
2 2026-06-07 71.66% 77.40% +5.74%
3 2026-05-30 — 71.66% —

完整 EPSS 歷史 （共 42 筆）

CVE-2016-0777 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
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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:L)
前置條件清楚，成功路徑穩定，不必仰賴罕見競態或極端環境。
權限需求 (PR:L)
一般使用者權限即可，不必是管理員或 root。
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:N)
對紀錄真實性與不可否認性的破壞可忽略。
可用性影響 (A:N)
不至於造成業務意義上的長時間停擺或災難性效能崩塌。
 2.8 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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:L)
前置條件清楚，成功路徑穩定，不必仰賴罕見競態或極端環境。
權限需求 (PR:L)
一般使用者權限即可，不必是管理員或 root。
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:N)
對紀錄真實性與不可否認性的破壞可忽略。
可用性影響 (A:N)
不至於造成業務意義上的長時間停擺或災難性效能崩塌。
 2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N 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:L)
步驟短、路徑清楚，重現成本低。
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:N)
對完整性無影響。
可用性影響 (A:N)
對可用性無影響。
 8.0 2.9 [email protected]

CVE-2016-0777 的弱點列舉

CVE-2016-0777 的 OS 追蹤

vendor priority summary link
debian not yet assigned CVE-2016-0777 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-2016-0777
gentoo normal CVE-2016-0777: 1 GLSA(s) (201601-01), 1 atom(s) (net-misc/openssh); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-0777
redhat medium — https://access.redhat.com/security/cve/CVE-2016-0777
suse critical CVE-2016-0777 severity critical: SUSE including 348 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 415 product×package rows across 52 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 11 SP3, … (52 product lines)): Fixed 258, Known Affected 157. https://www.suse.com/security/cve/CVE-2016-0777/
ubuntu high CVE-2016-0777 high 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-2016-0777

CVE-2016-0777 的影響軟體 / 設定

廠商 產品 版本 原始 CPE
sophos unified_threat_management_software 9.318 cpe:2.3:a:sophos:unified_threat_management_software:9.318:*:*:*:*:*:*:*
sophos unified_threat_management_software 9.353 cpe:2.3:a:sophos:unified_threat_management_software:9.353:*:*:*:*:*:*:*
oracle linux 7 cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
oracle solaris 11.3 cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
openbsd openssh 5.0 cpe:2.3:a:openbsd:openssh:5.0:*:*:*:*:*:*:*
openbsd openssh 5.0 cpe:2.3:a:openbsd:openssh:5.0:p1:*:*:*:*:*:*
openbsd openssh 5.1 cpe:2.3:a:openbsd:openssh:5.1:*:*:*:*:*:*:*
openbsd openssh 5.1 cpe:2.3:a:openbsd:openssh:5.1:p1:*:*:*:*:*:*
openbsd openssh 5.2 cpe:2.3:a:openbsd:openssh:5.2:*:*:*:*:*:*:*
openbsd openssh 5.2 cpe:2.3:a:openbsd:openssh:5.2:p1:*:*:*:*:*:*
openbsd openssh 5.3 cpe:2.3:a:openbsd:openssh:5.3:*:*:*:*:*:*:*
openbsd openssh 5.3 cpe:2.3:a:openbsd:openssh:5.3:p1:*:*:*:*:*:*
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:*:*:*:*:*:*
hp remote_device_access_virtual_customer_access_system <= 15.07 cpe:2.3:a:hp:remote_device_access_virtual_customer_access_system:*:*:*:*:*:*:*:*
apple mac_os_x <= 10.11.3 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVE-2016-0777 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 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/175592.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175676.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 Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/14/7 Mailing List 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/80695 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/ Third Party Advisory
https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/ Third Party 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.FreeBSD.org/advisories/FreeBSD-SA-16:07.openssh.asc Third Party Advisory
https://security.gentoo.org/glsa/201601-01 Third Party Advisory
https://support.apple.com/HT206167 Third Party Advisory
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