CVE-2014-1491

Exp

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

公開: 2014-02-06 最終更新: 2026-06-16 Assigner: [email protected] ソース: [email protected]

総合評価: CVE-2014-1491 は悪用リスクが高い(68/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 4.66%、91 パーセンタイル) 根拠: 公開エクスプロイトが 1 件参照されています(Exploit-DB)。 直近 1 日で EPSS が +4.14% 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-2014-1491 に関する公開 exploit 参照(Exploit-DB)

EDB-ID ソース 種別 公開 リンク
nvd_ref exploit_tag Exploit-DB ↗

CVE-2014-1491 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 0.53% 4.66% +4.14%
2 2026-03-27 0.45% 0.53% +0.08%
3 2026-03-13 0.45%

EPSS の全履歴 (全 41 件)

CVE-2014-1491 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: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: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: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。
8.6 2.9 [email protected]

CVE-2014-1491 の弱点分類(列挙)

CVE-2014-1491 の OS トラッカー

vendor priority summary link
debian not yet assigned CVE-2014-1491 not yet assigned priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-1491
gentoo normal CVE-2014-1491: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-1491
redhat medium https://access.redhat.com/security/cve/CVE-2014-1491
suse medium CVE-2014-1491 severity moderate: SUSE including 163 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-24.3.0esr-0.4.2.1, …), 251 product×package rows across 47 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Desktop 12, … (47 product lines)): Fixed 215, Known Not Affected 36. https://www.suse.com/security/cve/CVE-2014-1491/
ubuntu medium CVE-2014-1491 medium priority: Ubuntu including 3 source packages (firefox, nss, thunderbird), 15 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): released 9, not-affected 4, ignored 2. https://ubuntu.com/security/CVE-2014-1491

CVE-2014-1491 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 < 24.3 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox < 27.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla network_security_services < 3.15.4 cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*
mozilla seamonkey < 2.24 cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozilla thunderbird < 24.3.0 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center < 12.1.4 cpe:2.3:a:oracle:enterprise_manager_ops_center:*:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.2.0 cpe:2.3:a:oracle:enterprise_manager_ops_center:12.2.0:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.2.1 cpe:2.3:a:oracle:enterprise_manager_ops_center:12.2.1:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.3.0 cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.0:*:*:*:*:*:*:*
oracle vm_server 3.2 cpe:2.3:a:oracle:vm_server:3.2:*:*:*:*:*:x86:*
fedoraproject fedora 19 cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
fedoraproject fedora 20 cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
opensuse opensuse 11.4 cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
suse linux_enterprise_desktop 11 cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:*
suse linux_enterprise_software_development_kit 11 cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp3:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 12.10 cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
canonical ubuntu_linux 13.10 cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*

CVE-2014-1491 の参考情報

URL タグ
http://hg.mozilla.org/projects/nss/rev/12c42006aed8 Patch Vendor Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2014/Dec/23 Not Applicable
http://secunia.com/advisories/56858 Third Party Advisory
http://secunia.com/advisories/56888 Third Party Advisory
http://secunia.com/advisories/56922 Third Party Advisory
http://www.debian.org/security/2014/dsa-2858 Third Party Advisory
http://www.debian.org/security/2014/dsa-2994 Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-12.html Third Party Advisory Vendor Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/archive/1/534161/100/0/threaded Not Applicable
http://www.securityfocus.com/bid/65332 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1029717 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1029720 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1029721 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2102-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2102-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2119-1 Third Party Advisory
http://www.vmware.com/security/advisories/VMSA-2014-0012.html Not Applicable
https://bugzilla.mozilla.org/show_bug.cgi?id=934545 Exploit Issue Tracking Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/90886 Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201504-01 Third Party Advisory
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