CVE-2016-1572

mount.ecryptfs_private.c in eCryptfs-utils does not validate mount destination filesystem types, which allows local users to gain privileges by mounting over a nonstandard filesystem, as demonstrated by /proc/$pid.

公開: 2016-01-22 最後更新: 2026-06-16 指派方: [email protected] 來源: [email protected]

結論預警: CVE-2016-1572 綜合評估為中等風險(43.9/100):CVSS 技術影響為高級,利用機率偏低(EPSS 0.37%) 強制指令: 梳理受影響資產並納入修補計畫。

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-2016-1572 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 0.05% 0.37% +0.32%
2 2026-05-13 0.04% 0.05% +0.01%
3 2025-12-28 0.04%

完整 EPSS 歷史 (共 11 筆)

CVE-2016-1572 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
8.4 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 點擊展開
攻擊向量 (AV:L)
需先取得主機上的執行面,或仰賴其他使用者誤操作/惡意操作才會觸發。
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: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。
2.5 5.9 [email protected]
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P 點擊展開
存取路徑 (AV:L)
需本機登入或本機互動,僅遠端觸達不足以單獨完成利用。
存取複雜度 (AC:L)
步驟短、路徑清楚,重現成本低。
認證 (AU:N)
全程無需有效身分。
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-2016-1572 的弱點列舉

CVE-2016-1572 的 OS 追蹤

vendor priority summary link
debian not yet assigned CVE-2016-1572 not yet assigned priority: Debian including 1 source packages (ecryptfs-utils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-1572
redhat high https://access.redhat.com/security/cve/CVE-2016-1572
suse medium CVE-2016-1572 severity moderate: SUSE including 19 source package names (ecryptfs-utils-103-7.1, ecryptfs-utils-103-8.3.1, …), 81 product×package rows across 33 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Desktop 11 SP4, … (33 product lines)): Fixed 81. https://www.suse.com/security/cve/CVE-2016-1572/
ubuntu medium CVE-2016-1572 medium priority: Ubuntu including 1 source packages (ecryptfs-utils), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 5. https://ubuntu.com/security/CVE-2016-1572

CVE-2016-1572 的影響軟體 / 設定

廠商 產品 版本 原始 CPE
ecryptfs ecryptfs-utils < 109 cpe:2.3:a:ecryptfs:ecryptfs-utils:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 15.04 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
canonical ubuntu_linux 15.10 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
opensuse leap 42.1 cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
fedoraproject fedora 22 cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
fedoraproject fedora 23 cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*

CVE-2016-1572 的參考連結

URL 標籤
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177359.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177396.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00091.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00118.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00004.html Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3450 Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/20/6 Mailing List Third Party Advisory
http://www.securitytracker.com/id/1034791 Broken Link Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2876-1 Patch Third Party Advisory
https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/870 Patch Third Party Advisory
https://bugs.launchpad.net/ecryptfs/+bug/1530566 Issue Tracking Patch Third Party Advisory
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