CVE-2011-3368

Exp

The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers via a malformed URI containing an initial @ (at sign) character.

公開: 2011-10-05 最終更新: 2026-06-16 Assigner: [email protected] ソース: [email protected]

総合評価: CVE-2011-3368 は悪用リスクが高い(74.9/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 90.73%、100 パーセンタイル) 根拠: 公開エクスプロイトが 3 件参照されています(Exploit-DB)。 直近 1 日で EPSS が +16.29% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。

リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。

CVE-2011-3368 に関する公開 exploit 参照(Exploit-DB)

EDB-ID ソース 種別 公開 リンク
17969 exploit_db edb 2011-10-11 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

CVE-2011-3368 の EPSS(Exploit Prediction Scoring System)スコア

EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。

# 日付 旧 EPSS スコア 新 EPSS スコア Δ(新 − 旧)
1 2026-06-15 74.45% 90.73% +16.29%
2 2026-06-14 72.54% 74.45% +1.91%
3 2026-06-13 72.54%

EPSS の全履歴 (全 53 件)

CVE-2011-3368 の CVSS(Common Vulnerability Scoring System)指標

この CVE の CVSS 指標。

ベーススコア バージョン 深刻度 ベクトル 悪用しやすさ 影響 スコアの出典
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N クリックして展開
アクセス経路 (AV:N)
ルーティング可能なネットワーク越しに、遠隔から到達・悪用しうる。
アクセスの複雑さ (AC:L)
手順が短く、再現性が高い。
認証 (AU:N)
認証を経ずに攻撃を完結できる。
機密性への影響 (C:P)
機密性は部分的に損なわれる。
完全性への影響 (I:N)
完全性は損なわれない。
可用性への影響 (A:N)
可用性は損なわれない。
10.0 2.9 [email protected]

CVE-2011-3368 の弱点分類(列挙)

CVE-2011-3368 の OS トラッカー

vendor priority summary link
debian medium CVE-2011-3368 medium priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-3368
gentoo high CVE-2011-3368: 1 GLSA(s) (201206-25), 1 atom(s) (www-servers/apache); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3368
redhat medium https://access.redhat.com/security/cve/CVE-2011-3368
suse medium CVE-2011-3368 severity moderate: SUSE including 93 source package names (apache2-2.2.12-1.28.1, apache2-2.2.12-1.38.2, …), 123 product×package rows across 25 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise Module for Server Applications 15, … (25 product lines)): Fixed 123. https://www.suse.com/security/cve/CVE-2011-3368/
ubuntu medium CVE-2011-3368 medium priority: Ubuntu including 1 source packages (apache2), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 5, needs-triage 1. https://ubuntu.com/security/CVE-2011-3368

CVE-2011-3368 の影響を受けるソフトウェア/構成

ベンダー 製品 バージョン 生の CPE
apache http_server 1.3 cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:*
apache http_server 1.3.0 cpe:2.3:a:apache:http_server:1.3.0:*:*:*:*:*:*:*
apache http_server 1.3.1 cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:*
apache http_server 1.3.1.1 cpe:2.3:a:apache:http_server:1.3.1.1:*:*:*:*:*:*:*
apache http_server 1.3.2 cpe:2.3:a:apache:http_server:1.3.2:*:*:*:*:*:*:*
apache http_server 1.3.3 cpe:2.3:a:apache:http_server:1.3.3:*:*:*:*:*:*:*
apache http_server 1.3.4 cpe:2.3:a:apache:http_server:1.3.4:*:*:*:*:*:*:*
apache http_server 1.3.5 cpe:2.3:a:apache:http_server:1.3.5:*:*:*:*:*:*:*
apache http_server 1.3.6 cpe:2.3:a:apache:http_server:1.3.6:*:*:*:*:*:*:*
apache http_server 1.3.7 cpe:2.3:a:apache:http_server:1.3.7:*:*:*:*:*:*:*
apache http_server 1.3.8 cpe:2.3:a:apache:http_server:1.3.8:*:*:*:*:*:*:*
apache http_server 1.3.9 cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:*
apache http_server 1.3.10 cpe:2.3:a:apache:http_server:1.3.10:*:*:*:*:*:*:*
apache http_server 1.3.11 cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:*
apache http_server 1.3.12 cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:*
apache http_server 1.3.13 cpe:2.3:a:apache:http_server:1.3.13:*:*:*:*:*:*:*
apache http_server 1.3.14 cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:*
apache http_server 1.3.15 cpe:2.3:a:apache:http_server:1.3.15:*:*:*:*:*:*:*
apache http_server 1.3.16 cpe:2.3:a:apache:http_server:1.3.16:*:*:*:*:*:*:*
apache http_server 1.3.17 cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:*
apache http_server 1.3.18 cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:*
apache http_server 1.3.19 cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:*
apache http_server 1.3.20 cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:*
apache http_server 1.3.22 cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:*
apache http_server 1.3.23 cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:*
apache http_server 1.3.24 cpe:2.3:a:apache:http_server:1.3.24:*:*:*:*:*:*:*
apache http_server 1.3.25 cpe:2.3:a:apache:http_server:1.3.25:*:*:*:*:*:*:*
apache http_server 1.3.26 cpe:2.3:a:apache:http_server:1.3.26:*:*:*:*:*:*:*
apache http_server 1.3.27 cpe:2.3:a:apache:http_server:1.3.27:*:*:*:*:*:*:*
apache http_server 1.3.28 cpe:2.3:a:apache:http_server:1.3.28:*:*:*:*:*:*:*
apache http_server 1.3.29 cpe:2.3:a:apache:http_server:1.3.29:*:*:*:*:*:*:*
apache http_server 1.3.30 cpe:2.3:a:apache:http_server:1.3.30:*:*:*:*:*:*:*
apache http_server 1.3.31 cpe:2.3:a:apache:http_server:1.3.31:*:*:*:*:*:*:*
apache http_server 1.3.32 cpe:2.3:a:apache:http_server:1.3.32:*:*:*:*:*:*:*
apache http_server 1.3.33 cpe:2.3:a:apache:http_server:1.3.33:*:*:*:*:*:*:*
apache http_server 1.3.34 cpe:2.3:a:apache:http_server:1.3.34:*:*:*:*:*:*:*
apache http_server 1.3.35 cpe:2.3:a:apache:http_server:1.3.35:*:*:*:*:*:*:*
apache http_server 1.3.36 cpe:2.3:a:apache:http_server:1.3.36:*:*:*:*:*:*:*
apache http_server 1.3.37 cpe:2.3:a:apache:http_server:1.3.37:*:*:*:*:*:*:*
apache http_server 1.3.38 cpe:2.3:a:apache:http_server:1.3.38:*:*:*:*:*:*:*
apache http_server 1.3.39 cpe:2.3:a:apache:http_server:1.3.39:*:*:*:*:*:*:*
apache http_server 1.3.41 cpe:2.3:a:apache:http_server:1.3.41:*:*:*:*:*:*:*
apache http_server 1.3.42 cpe:2.3:a:apache:http_server:1.3.42:*:*:*:*:*:*:*
apache http_server 1.3.65 cpe:2.3:a:apache:http_server:1.3.65:*:*:*:*:*:*:*
apache http_server 1.3.68 cpe:2.3:a:apache:http_server:1.3.68:*:*:*:*:*:*:*
apache http_server 2.0 cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:*
apache http_server 2.0.9 cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:*
apache http_server 2.0.28 cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:*
apache http_server 2.0.28 cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:*
apache http_server 2.0.32 cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:*
apache http_server 2.0.32 cpe:2.3:a:apache:http_server:2.0.32:beta:*:*:*:*:*:*
apache http_server 2.0.34 cpe:2.3:a:apache:http_server:2.0.34:beta:*:*:*:*:*:*
apache http_server 2.0.35 cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:*
apache http_server 2.0.36 cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:*
apache http_server 2.0.37 cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:*
apache http_server 2.0.38 cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:*
apache http_server 2.0.39 cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:*
apache http_server 2.0.40 cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:*
apache http_server 2.0.41 cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:*
apache http_server 2.0.42 cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:*
apache http_server 2.0.43 cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:*
apache http_server 2.0.44 cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:*
apache http_server 2.0.45 cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:*
apache http_server 2.0.46 cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:*
apache http_server 2.0.47 cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:*
apache http_server 2.0.48 cpe:2.3:a:apache:http_server:2.0.48:*:*:*:*:*:*:*
apache http_server 2.0.49 cpe:2.3:a:apache:http_server:2.0.49:*:*:*:*:*:*:*
apache http_server 2.0.50 cpe:2.3:a:apache:http_server:2.0.50:*:*:*:*:*:*:*
apache http_server 2.0.51 cpe:2.3:a:apache:http_server:2.0.51:*:*:*:*:*:*:*
apache http_server 2.0.52 cpe:2.3:a:apache:http_server:2.0.52:*:*:*:*:*:*:*
apache http_server 2.0.53 cpe:2.3:a:apache:http_server:2.0.53:*:*:*:*:*:*:*
apache http_server 2.0.54 cpe:2.3:a:apache:http_server:2.0.54:*:*:*:*:*:*:*
apache http_server 2.0.55 cpe:2.3:a:apache:http_server:2.0.55:*:*:*:*:*:*:*
apache http_server 2.0.56 cpe:2.3:a:apache:http_server:2.0.56:*:*:*:*:*:*:*
apache http_server 2.0.57 cpe:2.3:a:apache:http_server:2.0.57:*:*:*:*:*:*:*
apache http_server 2.0.58 cpe:2.3:a:apache:http_server:2.0.58:*:*:*:*:*:*:*
apache http_server 2.0.59 cpe:2.3:a:apache:http_server:2.0.59:*:*:*:*:*:*:*
apache http_server 2.0.60 cpe:2.3:a:apache:http_server:2.0.60:*:*:*:*:*:*:*
apache http_server 2.0.61 cpe:2.3:a:apache:http_server:2.0.61:*:*:*:*:*:*:*
apache http_server 2.0.63 cpe:2.3:a:apache:http_server:2.0.63:*:*:*:*:*:*:*

CVE-2011-3368 の参考情報

URL タグ
http://kb.juniper.net/JSA10585
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00009.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00012.html
http://marc.info/?l=bugtraq&m=133294460209056&w=2
http://marc.info/?l=bugtraq&m=134987041210674&w=2
http://osvdb.org/76079
http://rhn.redhat.com/errata/RHSA-2012-0542.html
http://rhn.redhat.com/errata/RHSA-2012-0543.html
http://seclists.org/fulldisclosure/2011/Oct/232
http://seclists.org/fulldisclosure/2011/Oct/273
http://secunia.com/advisories/46288
http://secunia.com/advisories/46414
http://secunia.com/advisories/48551
http://support.apple.com/kb/HT5501
http://svn.apache.org/viewvc?view=revision&revision=1179239 Patch
http://web.archiveorange.com/archive/v/ZyS0hzECD5zzb2NkvQlt Exploit Patch
http://www-01.ibm.com/support/docview.wss?uid=nas2064c7e5f53452ff686257927003c8d42
http://www-01.ibm.com/support/docview.wss?uid=nas2b7c57b1f1035675186257927003c8d48
http://www.contextis.com/research/blog/reverseproxybypass/
http://www.debian.org/security/2012/dsa-2405
http://www.exploit-db.com/exploits/17969
http://www.mandriva.com/security/advisories?name=MDVSA-2011:144
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
http://www.redhat.com/support/errata/RHSA-2011-1391.html
http://www.redhat.com/support/errata/RHSA-2011-1392.html
http://www.securityfocus.com/bid/49957
http://www.securitytracker.com/id?1026144
https://bugzilla.redhat.com/show_bug.cgi?id=740045 Exploit Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/70336
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r064df0985779b7ee044d3120d71ba59750427cf53f57ba3384e3773f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r688df6f16f141e966a0a47f817e559312b3da27886f59116a94b273d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re2e23465bbdb17ffe109d21b4f192e6b58221cd7aa8797d530b4cd75%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
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