CVE-2011-0997

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script.

公開： 2011-04-08 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-2011-0997 綜合評估為高風險（65/100）：CVSS 技術影響為高級，利用機率偏高（EPSS 84.29%，百分位 100%） 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-2011-0997 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 2026-06-28 84.17% 84.29% +0.12%
2 2026-06-15 73.50% 84.17% +10.67%
3 2026-02-22 — 73.50% —

完整 EPSS 歷史 （共 13 筆）

CVE-2011-0997 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
7.5 2.0 HIGH
AV:N/AC:L/Au:N/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: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。
 10.0 6.4 [email protected]

CVE-2011-0997 的弱點列舉

CVE-2011-0997 的 OS 追蹤

vendor priority summary link
debian not yet assigned CVE-2011-0997 not yet assigned priority: Debian including 1 source packages (isc-dhcp), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2011-0997
gentoo normal CVE-2011-0997: 1 GLSA(s) (201301-06), 1 atom(s) (net-misc/dhcp); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-0997
redhat high — https://access.redhat.com/security/cve/CVE-2011-0997
suse high CVE-2011-0997 severity important: SUSE including 65 source package names (dhcp-3.1.3.ESV-0.9.1, dhcp-4.2.3.P2-0.7.2, …), 101 product×package rows across 34 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (34 product lines)): Fixed 101. https://www.suse.com/security/cve/CVE-2011-0997/
ubuntu medium CVE-2011-0997 medium priority: Ubuntu including 2 source packages (dhcp3, isc-dhcp), 12 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): released 7, DNE 5. https://ubuntu.com/security/CVE-2011-0997

CVE-2011-0997 的影響軟體 / 設定

廠商 產品 版本 原始 CPE
isc dhcp 3.0 cpe:2.3:a:isc:dhcp:3.0:*:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:-:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc1:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc10:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc11:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc12:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc13:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc14:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc2:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc5:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc6:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc7:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc8:*:*:*:*:*:*
isc dhcp 3.0.1 cpe:2.3:a:isc:dhcp:3.0.1:rc9:*:*:*:*:*:*
isc dhcp 3.0.2 cpe:2.3:a:isc:dhcp:3.0.2:-:*:*:*:*:*:*
isc dhcp 3.0.2 cpe:2.3:a:isc:dhcp:3.0.2:b1:*:*:*:*:*:*
isc dhcp 3.0.2 cpe:2.3:a:isc:dhcp:3.0.2:rc1:*:*:*:*:*:*
isc dhcp 3.0.2 cpe:2.3:a:isc:dhcp:3.0.2:rc2:*:*:*:*:*:*
isc dhcp 3.0.2 cpe:2.3:a:isc:dhcp:3.0.2:rc3:*:*:*:*:*:*
isc dhcp 3.0.3 cpe:2.3:a:isc:dhcp:3.0.3:-:*:*:*:*:*:*
isc dhcp 3.0.3 cpe:2.3:a:isc:dhcp:3.0.3:b1:*:*:*:*:*:*
isc dhcp 3.0.3 cpe:2.3:a:isc:dhcp:3.0.3:b2:*:*:*:*:*:*
isc dhcp 3.0.3 cpe:2.3:a:isc:dhcp:3.0.3:b3:*:*:*:*:*:*
isc dhcp 3.0.4 cpe:2.3:a:isc:dhcp:3.0.4:-:*:*:*:*:*:*
isc dhcp 3.0.4 cpe:2.3:a:isc:dhcp:3.0.4:b1:*:*:*:*:*:*
isc dhcp 3.0.4 cpe:2.3:a:isc:dhcp:3.0.4:b2:*:*:*:*:*:*
isc dhcp 3.0.4 cpe:2.3:a:isc:dhcp:3.0.4:b3:*:*:*:*:*:*
isc dhcp 3.0.4 cpe:2.3:a:isc:dhcp:3.0.4:rc1:*:*:*:*:*:*
isc dhcp 3.0.5 cpe:2.3:a:isc:dhcp:3.0.5:-:*:*:*:*:*:*
isc dhcp 3.0.5 cpe:2.3:a:isc:dhcp:3.0.5:rc1:*:*:*:*:*:*
isc dhcp 3.0.6 cpe:2.3:a:isc:dhcp:3.0.6:rc1:*:*:*:*:*:*
isc dhcp 3.1-esv cpe:2.3:a:isc:dhcp:3.1-esv:*:*:*:*:*:*:*
isc dhcp 3.1.0 cpe:2.3:a:isc:dhcp:3.1.0:-:*:*:*:*:*:*
isc dhcp 3.1.0 cpe:2.3:a:isc:dhcp:3.1.0:a1:*:*:*:*:*:*
isc dhcp 3.1.0 cpe:2.3:a:isc:dhcp:3.1.0:a2:*:*:*:*:*:*
isc dhcp 3.1.0 cpe:2.3:a:isc:dhcp:3.1.0:a3:*:*:*:*:*:*
isc dhcp 3.1.0 cpe:2.3:a:isc:dhcp:3.1.0:b1:*:*:*:*:*:*
isc dhcp 3.1.0 cpe:2.3:a:isc:dhcp:3.1.0:b2:*:*:*:*:*:*
isc dhcp 3.1.0 cpe:2.3:a:isc:dhcp:3.1.0:rc1:*:*:*:*:*:*
isc dhcp 3.1.1 cpe:2.3:a:isc:dhcp:3.1.1:rc1:*:*:*:*:*:*
isc dhcp 3.1.1 cpe:2.3:a:isc:dhcp:3.1.1:rc2:*:*:*:*:*:*
isc dhcp 3.1.2 cpe:2.3:a:isc:dhcp:3.1.2:-:*:*:*:*:*:*
isc dhcp 3.1.2 cpe:2.3:a:isc:dhcp:3.1.2:b1:*:*:*:*:*:*
isc dhcp 3.1.2 cpe:2.3:a:isc:dhcp:3.1.2:rc1:*:*:*:*:*:*
isc dhcp 3.1.3 cpe:2.3:a:isc:dhcp:3.1.3:-:*:*:*:*:*:*
isc dhcp 3.1.3 cpe:2.3:a:isc:dhcp:3.1.3:b1:*:*:*:*:*:*
isc dhcp 3.1.3 cpe:2.3:a:isc:dhcp:3.1.3:rc1:*:*:*:*:*:*
isc dhcp 4.1-esv cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*
isc dhcp 4.1-esv cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*
isc dhcp 4.2.1 cpe:2.3:a:isc:dhcp:4.2.1:-:*:*:*:*:*:*
isc dhcp 4.2.1 cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*
isc dhcp 4.2.1 cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*
debian debian_linux 5.0 cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
debian debian_linux 6.0 cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
canonical ubuntu_linux 6.06 cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*
canonical ubuntu_linux 8.04 cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 9.10 cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*
canonical ubuntu_linux 10.04 cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 10.10 cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*

CVE-2011-0997 的參考連結

URL 標籤
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.html Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=133226187115472&w=2 Mailing List Third Party Advisory
http://secunia.com/advisories/44037 Third Party Advisory
http://secunia.com/advisories/44048 Third Party Advisory
http://secunia.com/advisories/44089 Third Party Advisory
http://secunia.com/advisories/44090 Third Party Advisory
http://secunia.com/advisories/44103 Third Party Advisory
http://secunia.com/advisories/44127 Third Party Advisory
http://secunia.com/advisories/44180 Third Party Advisory
http://security.gentoo.org/glsa/glsa-201301-06.xml Third Party Advisory
http://securitytracker.com/id?1025300 Third Party Advisory VDB Entry
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593345 Third Party Advisory
http://www.debian.org/security/2011/dsa-2216 Third Party Advisory
http://www.debian.org/security/2011/dsa-2217 Third Party Advisory
http://www.kb.cert.org/vuls/id/107886 Third Party Advisory US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:073 Third Party Advisory
http://www.osvdb.org/71493 Broken Link
http://www.redhat.com/support/errata/RHSA-2011-0428.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0840.html Third Party Advisory
http://www.securityfocus.com/bid/47176 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-1108-1 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0879 Permissions Required
http://www.vupen.com/english/advisories/2011/0886 Permissions Required
http://www.vupen.com/english/advisories/2011/0909 Permissions Required
http://www.vupen.com/english/advisories/2011/0915 Permissions Required
http://www.vupen.com/english/advisories/2011/0926 Permissions Required
http://www.vupen.com/english/advisories/2011/0965 Permissions Required
http://www.vupen.com/english/advisories/2011/1000 Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=689832 Issue Tracking Patch Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66580 Third Party Advisory VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812 Third Party Advisory
https://www.exploit-db.com/exploits/37623/ Third Party Advisory VDB Entry
https://www.isc.org/software/dhcp/advisories/cve-2011-0997 Patch Vendor Advisory
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