CVE-2016-0797

Multiple integer overflows in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allow remote attackers to cause a denial of service (heap memory corruption or NULL pointer dereference) or possibly have unspecified other impact via a long digit string that is mishandled by the (1) BN_dec2bn or (2) BN_hex2bn function, related to crypto/bn/bn.h and crypto/bn/bn_print.c.

公開: 2016-03-03 最終更新: 2026-06-16 Assigner: [email protected] ソース: [email protected]

総合評価: CVE-2016-0797 は中リスク(59.2/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 27.02%、98 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-2016-0797 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 36.54% 27.02% -9.51%
2 2026-06-04 34.19% 36.54% +2.34%
3 2026-04-11 34.19%

EPSS の全履歴 (全 57 件)

CVE-2016-0797 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
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H クリックして展開
攻撃ベクター (AV:N)
インターネットなど、ルーティングされたネットワーク越しに遠隔から悪用しうる。端末の前にいる必要はない。
攻撃の複雑さ (AC:L)
攻撃者が条件を満たせば、レース条件や珍しい構成に依存せずに再現しやすい。
必要な権限 (PR:N)
事前のログインや昇格は不要で、匿名アクセスのまま踏み台にしうる。
ユーザーの関与 (UI:N)
メールのリンクを開く、マクロを有効にするなど、被害者の協力がなくても成立しうる。
スコープ (S:U)
影響は脆弱コンポーネントと同一のセキュリティ権限・信頼境界の内側に収まる。
機密性への影響 (C:N)
機微情報の漏えいは想定しにくい。
完全性への影響 (I:N)
改ざん・なりすましによる信頼毀損は軽微か、想定されない。
可用性への影響 (A:H)
長時間のサービス停止、データ損壊による復旧不能に近い状態など、利用者に著しい不便を与えうる。
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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: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:P)
可用性は部分的に損なわれる。
10.0 2.9 [email protected]

CVE-2016-0797 の弱点分類(列挙)

CVE-2016-0797 の OS トラッカー

vendor priority summary link
debian not yet assigned CVE-2016-0797 not yet assigned priority: Debian including 1 source packages (openssl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-0797
gentoo normal CVE-2016-0797: 1 GLSA(s) (201603-15), 1 atom(s) (dev-libs/openssl); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-0797
redhat low https://access.redhat.com/security/cve/CVE-2016-0797
suse high https://www.suse.com/security/cve/CVE-2016-0797/
ubuntu low CVE-2016-0797 low priority: Ubuntu including 2 source packages (openssl, openssl098), 22 status rows across 11 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, wily, xenial, yakkety, zesty): released 10, DNE 9, needs-triage 2, ignored 1. https://ubuntu.com/security/CVE-2016-0797

CVE-2016-0797 の NVD 評価コメント

コメント: <a href="http://cwe.mitre.org/data/definitions/190.html">CWE-190: Integer Overflow or Wraparound</a> <a href="http://cwe.mitre.org/data/definitions/476.html">CWE-476: NULL Pointer Dereference</a>

CVE-2016-0797 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
openssl openssl 1.0.1 cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*
openssl openssl 1.0.1 cpe:2.3:a:openssl:openssl:1.0.1:beta1:*:*:*:*:*:*
openssl openssl 1.0.1 cpe:2.3:a:openssl:openssl:1.0.1:beta2:*:*:*:*:*:*
openssl openssl 1.0.1 cpe:2.3:a:openssl:openssl:1.0.1:beta3:*:*:*:*:*:*
openssl openssl 1.0.1a cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:*
openssl openssl 1.0.1b cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:*
openssl openssl 1.0.1c cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:*
openssl openssl 1.0.1d cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:*
openssl openssl 1.0.1e cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:*
openssl openssl 1.0.1f cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:*
openssl openssl 1.0.1g cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:*
openssl openssl 1.0.1h cpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:*
openssl openssl 1.0.1i cpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:*
openssl openssl 1.0.1j cpe:2.3:a:openssl:openssl:1.0.1j:*:*:*:*:*:*:*
openssl openssl 1.0.1k cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:*
openssl openssl 1.0.1l cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:*
openssl openssl 1.0.1m cpe:2.3:a:openssl:openssl:1.0.1m:*:*:*:*:*:*:*
openssl openssl 1.0.1n cpe:2.3:a:openssl:openssl:1.0.1n:*:*:*:*:*:*:*
openssl openssl 1.0.1o cpe:2.3:a:openssl:openssl:1.0.1o:*:*:*:*:*:*:*
openssl openssl 1.0.1p cpe:2.3:a:openssl:openssl:1.0.1p:*:*:*:*:*:*:*
openssl openssl 1.0.1q cpe:2.3:a:openssl:openssl:1.0.1q:*:*:*:*:*:*:*
openssl openssl 1.0.1r cpe:2.3:a:openssl:openssl:1.0.1r:*:*:*:*:*:*:*
openssl openssl 1.0.2 cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:*
openssl openssl 1.0.2 cpe:2.3:a:openssl:openssl:1.0.2:beta1:*:*:*:*:*:*
openssl openssl 1.0.2 cpe:2.3:a:openssl:openssl:1.0.2:beta2:*:*:*:*:*:*
openssl openssl 1.0.2 cpe:2.3:a:openssl:openssl:1.0.2:beta3:*:*:*:*:*:*
openssl openssl 1.0.2a cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:*
openssl openssl 1.0.2b cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:*
openssl openssl 1.0.2c cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:*
openssl openssl 1.0.2d cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:*
openssl openssl 1.0.2e cpe:2.3:a:openssl:openssl:1.0.2e:*:*:*:*:*:*:*
openssl openssl 1.0.2f cpe:2.3:a:openssl:openssl:1.0.2f:*:*:*:*:*:*:*
nodejs node.js >= 4.0.0, < 4.1.2 cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
nodejs node.js >= 4.2.0, < 4.3.2 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
nodejs node.js >= 5.0.0, < 5.7.1 cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 15.10 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

CVE-2016-0797 の参考情報

URL タグ
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00001.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00002.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00004.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00005.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00006.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00007.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00012.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00025.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00038.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00019.html Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=145889460330120&w=2 Mailing List Third Party Advisory
http://openssl.org/news/secadv/20160301.txt Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html Third Party Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-openssl Third Party Advisory
http://www.debian.org/security/2016/dsa-3500 Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/bid/83763 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/91787 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1035133 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2914-1 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c175308407858afff3fc8c2e5e085d94d12edc7d
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03741en_us Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05052990 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 Third Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168 Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10156 Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:12.openssl.asc Third Party Advisory
https://security.gentoo.org/glsa/201603-15 Third Party Advisory
https://www.openssl.org/news/secadv/20160301.txt Vendor Advisory
cvelogic Threat Intelligence