CVE-2008-5508

Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 does not properly parse URLs with leading whitespace or control characters, which might allow remote attackers to misrepresent URLs and simplify phishing attacks.

公開: 2008-12-17 最終更新: 2026-04-23 Assigner: [email protected] ソース: [email protected]

総合評価: CVE-2008-5508 は中リスク(46.4/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 2.18%、84 パーセンタイル) 推奨対応: 影響資産を整理し、修補計画に組み込んでください。

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-2008-5508 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 2026-02-17 2.34% 2.18% -0.16%
2 2025-09-01 2.22% 2.34% +0.12%
3 2025-03-30 2.22%

EPSS の全履歴 (全 12 件)

CVE-2008-5508 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
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/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: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:P)
完全性は部分的に損なわれる。
可用性への影響 (A:N)
可用性は損なわれない。
8.6 2.9 [email protected]

CVE-2008-5508 の弱点分類(列挙)

CVE-2008-5508 の OS トラッカー

vendor priority summary link
gentoo high CVE-2008-5508: 1 GLSA(s) (201301-01), 14 atom(s) (dev-libs/nss, mail-client/mozilla-thunderbird, …); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-5508
redhat low https://access.redhat.com/security/cve/CVE-2008-5508
ubuntu low CVE-2008-5508 low priority: Ubuntu including 8 source packages (firefox, firefox-3.0, …), 80 status rows across 10 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, upstream): DNE 36, released 36, ignored 5, needs-triage 3. https://ubuntu.com/security/CVE-2008-5508

CVE-2008-5508 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
mozilla firefox >= 2.0, < 2.0.0.19 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox >= 3.0, < 3.0.5 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla seamonkey >= 1.0, < 1.1.14 cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozilla thunderbird >= 2.0, < 2.0.0.19 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
canonical ubuntu_linux 6.06 cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*
canonical ubuntu_linux 7.10 cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*
canonical ubuntu_linux 8.04 cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 8.10 cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

CVE-2008-5508 の参考情報

URL タグ
http://secunia.com/advisories/33184 Third Party Advisory
http://secunia.com/advisories/33188 Third Party Advisory
http://secunia.com/advisories/33189 Third Party Advisory
http://secunia.com/advisories/33203 Third Party Advisory
http://secunia.com/advisories/33204 Third Party Advisory
http://secunia.com/advisories/33205 Third Party Advisory
http://secunia.com/advisories/33216 Third Party Advisory
http://secunia.com/advisories/33231 Third Party Advisory
http://secunia.com/advisories/33408 Third Party Advisory
http://secunia.com/advisories/33415 Third Party Advisory
http://secunia.com/advisories/33421 Third Party Advisory
http://secunia.com/advisories/33433 Third Party Advisory
http://secunia.com/advisories/33434 Third Party Advisory
http://secunia.com/advisories/33523 Third Party Advisory
http://secunia.com/advisories/33547 Third Party Advisory
http://secunia.com/advisories/34501 Third Party Advisory
http://secunia.com/advisories/35080 Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256408-1 Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-26-258748-1 Broken Link
http://www.debian.org/security/2009/dsa-1696 Third Party Advisory
http://www.debian.org/security/2009/dsa-1697 Third Party Advisory
http://www.debian.org/security/2009/dsa-1704 Third Party Advisory
http://www.debian.org/security/2009/dsa-1707 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:244 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:245 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:012 Third Party Advisory
http://www.mozilla.org/security/announce/2008/mfsa2008-66.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2008-1036.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-1037.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-0002.html Third Party Advisory
http://www.securityfocus.com/bid/32882 Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1021426 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/usn-690-2 Third Party Advisory
http://www.ubuntu.com/usn/usn-701-1 Third Party Advisory
http://www.ubuntu.com/usn/usn-701-2 Third Party Advisory
http://www.vupen.com/english/advisories/2009/0977 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=425046 Issue Tracking Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=460803 Issue Tracking Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/47414 Third Party Advisory VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11040 Third Party Advisory
https://usn.ubuntu.com/690-1/ Third Party Advisory
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