CVE-2016-6663

Exp

Race condition in Oracle MySQL before 5.5.52, 5.6.x before 5.6.33, 5.7.x before 5.7.15, and 8.x before 8.0.1; MariaDB before 5.5.52, 10.0.x before 10.0.28, and 10.1.x before 10.1.18; Percona Server before 5.5.51-38.2, 5.6.x before 5.6.32-78-1, and 5.7.x before 5.7.14-8; and Percona XtraDB Cluster before 5.5.41-37.0, 5.6.x before 5.6.32-25.17, and 5.7.x before 5.7.14-26.17 allows local users with certain permissions to gain privileges by leveraging use of my_copystat by REPAIR TABLE to repair a MyISAM table.

公開: 2016-12-13 最後更新: 2026-06-16 指派方: [email protected] 來源: [email protected]

結論預警: CVE-2016-6663 綜合評估為高可利用風險(76.1/100):CVSS 技術影響為高級,利用機率(EPSS 4.31%) 核心證據: 已收錄 3 筆公開利用參考(Exploit-DB)。 近一日 EPSS 上升 +1.66%,被利用關注度持續升高。 強制指令: 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-2016-6663 的公開 exploit 引用(Exploit-DB)

EDB-ID 來源 類型 公開時間 連結
40678 exploit_db edb 2016-11-01 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

CVE-2016-6663 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 2.65% 4.31% +1.66%
2 2026-06-14 2.61% 2.65% +0.05%
3 2026-05-24 2.61%

完整 EPSS 歷史 (共 33 筆)

CVE-2016-6663 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
7.0 3.0 HIGH
CVSS:3.0/AV:L/AC:H/PR:L/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: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: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: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。
1.0 5.9 [email protected]
4.4 2.0 MEDIUM
AV:L/AC:M/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:M)
需要若干有利條件,但不必「千年一遇」。
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。
3.4 6.4 [email protected]

CVE-2016-6663 的弱點列舉

CVE-2016-6663 的 OS 追蹤

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2016-6663
suse medium CVE-2016-6663 severity moderate: SUSE including 144 source package names (4.0.0:libmysqlclient18-10.0.28-17.2, beta1:libmysqlclient18-10.0.28-17.2, …), 303 product×package rows across 46 product lines (Container caasp/v4/salt-master, Container caasp/v4/velum, … (46 product lines)): Fixed 303. https://www.suse.com/security/cve/CVE-2016-6663/
ubuntu medium CVE-2016-6663 medium priority: Ubuntu including 9 source packages (mariadb-10.0, mariadb-5.5, …), 203 status rows across 24 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, vivid, xenial, yakkety, zesty): DNE 163, not-affected 20, released 10, needs-triage 6, ignored 3, needed 1. https://ubuntu.com/security/CVE-2016-6663

CVE-2016-6663 的影響軟體 / 設定

廠商 產品 版本 原始 CPE
oracle mysql >= 5.5.0, <= 5.5.52 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle mysql >= 5.6.0, <= 5.6.33 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle mysql >= 5.7.0, <= 5.7.15 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
percona percona_server >= 5.5, < 5.5.51-38.2 cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:*
percona percona_server >= 5.6, < 5.6.32-78.1 cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:*
percona percona_server >= 5.7, < 5.7.14-8 cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:*
percona xtradb_cluster >= 5.5, < 5.5.41-37.0 cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:*
percona xtradb_cluster >= 5.6, < 5.6.32-25.17 cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:*
percona xtradb_cluster >= 5.7, < 5.7.14-26.17 cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:*
mariadb mariadb >= 5.5.20, < 5.5.52 cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
mariadb mariadb >= 10.0.0, < 10.0.28 cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
mariadb mariadb >= 10.1.0, < 10.1.18 cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
oracle mysql 8.0 cpe:2.3:a:oracle:mysql:8.0:*:*:*:*:*:*:*

CVE-2016-6663 的參考連結

URL 標籤
http://rhn.redhat.com/errata/RHSA-2016-2130.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2131.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2595.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2749.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2927.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2928.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0184.html Third Party Advisory
http://seclists.org/fulldisclosure/2016/Nov/4 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/25/4 Mailing List Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html Patch Vendor Advisory
http://www.securityfocus.com/bid/92911 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/93614 Third Party Advisory VDB Entry
https://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-52.html Issue Tracking Vendor Advisory
https://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-33.html Issue Tracking Vendor Advisory
https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-15.html Issue Tracking Vendor Advisory
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-1.html Issue Tracking Vendor Advisory
https://github.com/MariaDB/server/commit/347eeefbfc658c8531878218487d729f4e020805 Issue Tracking Patch Third Party Advisory
https://github.com/mysql/mysql-server/commit/4e5473862e6852b0f3802b0cd0c6fa10b5253291 Issue Tracking Patch Third Party Advisory
https://legalhackers.com/advisories/MySQL-Maria-Percona-PrivEscRace-CVE-2016-6663-5616-Exploit.html Exploit Third Party Advisory
https://mariadb.com/kb/en/mariadb/mariadb-10028-release-notes/ Release Notes Vendor Advisory
https://mariadb.com/kb/en/mariadb/mariadb-10118-release-notes/ Release Notes Vendor Advisory
https://mariadb.com/kb/en/mariadb/mariadb-5552-release-notes/ Release Notes Vendor Advisory
https://www.exploit-db.com/exploits/40678/ Exploit Third Party Advisory VDB Entry
https://www.percona.com/blog/2016/11/02/percona-responds-to-cve-2016-6663-and-cve-2016-6664/ Vendor Advisory
cvelogic Threat Intelligence