CVE-2009-1890

The stream_reqbody_cl function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server before 2.3.3, when a reverse proxy is configured, does not properly handle an amount of streamed data that exceeds the Content-Length value, which allows remote attackers to cause a denial of service (CPU consumption) via crafted requests.

公開: 2009-07-05 最終更新: 2026-06-16 Assigner: [email protected] ソース: [email protected]

総合評価: CVE-2009-1890 は中リスク(57.2/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 16.16%、97 パーセンタイル) 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。

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-2009-1890 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 37.87% 16.16% -21.71%
2 2026-03-30 21.56% 37.87% +16.31%
3 2026-03-04 21.56%

EPSS の全履歴 (全 44 件)

CVE-2009-1890 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
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C 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:M)
多少の有利条件は要るが、極端なレアケースではない。
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:N)
機密性は損なわれない。
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:C)
可用性は全面的に損なわれる。
8.6 6.9 [email protected]

CVE-2009-1890 の弱点分類(列挙)

CVE-2009-1890 の OS トラッカー

vendor priority summary link
debian medium CVE-2009-1890 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-2009-1890
gentoo high CVE-2009-1890: 1 GLSA(s) (200907-04), 1 atom(s) (www-servers/apache); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-1890
redhat high https://access.redhat.com/security/cve/CVE-2009-1890
suse high CVE-2009-1890 severity important: SUSE including 105 source package names (apache2-2.2.10-2.21.1, apache2-2.2.10-2.24.5, …), 135 product×package rows across 27 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise Module for Server Applications 15, … (27 product lines)): Fixed 135. https://www.suse.com/security/cve/CVE-2009-1890/
ubuntu low CVE-2009-1890 low priority: Ubuntu including 1 source packages (apache2), 5 status rows across 5 suites (dapper, hardy, intrepid, jaunty, upstream): released 4, not-affected 1. https://ubuntu.com/security/CVE-2009-1890

CVE-2009-1890 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 >= 2.2.0, < 2.2.12 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
fedoraproject fedora 11 cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:*
debian debian_linux 4.0 cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
canonical ubuntu_linux 6.06 cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
canonical ubuntu_linux 8.04 cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
canonical ubuntu_linux 8.10 cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
canonical ubuntu_linux 9.04 cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 5.0 cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_eus 5.3 cpe:2.3:o:redhat:enterprise_linux_eus:5.3:*:*:*:*:*:*:*
redhat enterprise_linux_server 5.0 cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 5.3 cpe:2.3:o:redhat:enterprise_linux_server_aus:5.3:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 5.0 cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*

CVE-2009-1890 の参考情報

URL タグ
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html Broken Link Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.html Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=129190899612998&w=2 Issue Tracking Mailing List Third Party Advisory
http://osvdb.org/55553 Broken Link
http://secunia.com/advisories/35691 Not Applicable Vendor Advisory
http://secunia.com/advisories/35721 Not Applicable
http://secunia.com/advisories/35793 Not Applicable
http://secunia.com/advisories/35865 Not Applicable
http://secunia.com/advisories/37152 Not Applicable Vendor Advisory
http://secunia.com/advisories/37221 Not Applicable Vendor Advisory
http://security.gentoo.org/glsa/glsa-200907-04.xml Third Party Advisory
http://support.apple.com/kb/HT3937 Broken Link
http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?r1=790587&r2=790586&pathrev=790587 Patch Vendor Advisory
http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?revision=790587 Vendor Advisory
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_http.c?r1=790587&r2=790586&pathrev=790587 Patch Vendor Advisory
http://svn.apache.org/viewvc?view=rev&revision=790587 Vendor Advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0142 Broken Link
http://www-01.ibm.com/support/docview.wss?uid=swg1PK91259 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK99480 Third Party Advisory
http://www.debian.org/security/2009/dsa-1834 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:149 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 Broken Link
http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1156.html Third Party Advisory
http://www.securityfocus.com/archive/1/507852/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/archive/1/507857/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/35565 Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1022509 Broken Link Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-802-1 Third Party Advisory
http://www.vupen.com/english/advisories/2009/3184 Permissions Required Vendor Advisory
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/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%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/r7dd6be4dc38148704f2edafb44a8712abaa3a2be120d6c3314d55919%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r84d043c2115176958562133d96d851495d712aa49da155d81f6733be%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/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb33be0aa9bd8cac9536293e3821dcd4cf8180ad95a8036eedd46365e%40%3Cusers.mina.apache.org%3E
https://lists.apache.org/thread.html/rc4c53a0d57b2771ecd4b965010580db355e38137c8711311ee1073a8%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/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12330 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8616 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9403 Third Party Advisory
https://rhn.redhat.com/errata/RHSA-2009-1148.html Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01363.html Third Party Advisory
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