CVE-2018-0735 | Timing attack against ECDSA signature generation

The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).

公开: 2018-10-29 最后更新: 2026-06-16 分配方: [email protected] 来源: [email protected]

结论预警: CVE-2018-0735 综合评估为中等风险(55.4/100):CVSS 技术影响为中级,利用概率偏高(EPSS 4.76%,百分位 91%) 核心证据: EPSS 显示该漏洞近期被利用的可能性处于高位。 强制指令: 被利用概率偏高—请排查暴露面并优先安排修补。

风险随态势动态变化;本站持续评估并同步更新本页展示内容。

CVE-2018-0735 的 EPSS(利用预测评分)

EPSS 日更估计相对被利用可能性;百分位表示该 CVE 在已评分漏洞中的相对排名(越高表示相对更严重)。

# 日期 旧 EPSS 分数 新 EPSS 分数 变化(新 − 旧)
1 2026-06-25 4.74% 4.76% +0.02%
2 2026-06-15 4.80% 4.74% -0.06%
3 2026-04-20 4.80%

完整 EPSS 历史 (共 30 条)

CVE-2018-0735 的 CVSS 指标

该 CVE 的 CVSS 指标。

底座分 版本 严重度 向量 可利用性 影响 分数来源
5.9 3.1 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N 点击展开
攻击向量 (AV:N)
经互联网或企业内可路由网段即可从远端触达,攻击者不必出现在设备旁。
攻击复杂度 (AC:H)
即便网络可达,也常要卡窗口、凑负载或特定版本组合才打得响。
权限要求 (PR:N)
不必事先登录或提权,匿名会话也可能成为跳板。
用户交互 (UI:N)
无需受害者点击链接、放行宏或安装软件,攻击链可自动走完。
作用域 (S:U)
破坏局限在脆弱组件原本的安全权限与信任域之内。
机密性影响 (C:H)
批量读取、导出或长期潜伏窃取机密数据,在实战上成立。
完整性影响 (I:N)
对记录真实性与不可否认性的破坏可忽略。
可用性影响 (A:N)
不至于造成业务意义上的长时间停摆或灾难性性能崩塌。
2.2 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N 点击展开
访问路径 (AV:N)
只要路由可达,即可从远端发起利用。
访问复杂度 (AC:M)
需要若干有利条件,但不至于“千年一遇”。
认证 (AU:N)
全程无需有效身份。
机密性影响 (C:P)
机密性受到部分损害。
完整性影响 (I:N)
对完整性无影响。
可用性影响 (A:N)
对可用性无影响。
8.6 2.9 [email protected]

CVE-2018-0735 的弱点枚举

CVE-2018-0735 的 OS 跟踪

vendor priority summary link
alpine medium CVE-2018-0735: 5 source package rows (nodejs, nodejs-current, openssl, openssl1.1-compat, openssl3); 32 state rows across 17 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.17-main, 3.18-community, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, 3.21-community, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 32, open 0. https://security.alpinelinux.org/vuln/CVE-2018-0735
debian not yet assigned CVE-2018-0735 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-2018-0735
redhat low https://access.redhat.com/security/cve/CVE-2018-0735
suse medium CVE-2018-0735 severity moderate: SUSE including 360 source package names (15.0:libopenssl1_1-1.1.0i-4.15.1, 15.0:openssl-1_1-1.1.0i-4.15.1, …), 780 product×package rows across 106 product lines (Container suse/sle15, Image SLES12-SP5-Azure-BYOS, … (106 product lines)): Known Not Affected 419, Fixed 204, Known Affected 157. https://www.suse.com/security/cve/CVE-2018-0735/
ubuntu low CVE-2018-0735 low priority: Ubuntu including 3 source packages (openssl, openssl098, openssl1.0), 30 status rows across 10 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, trusty, upstream, xenial): DNE 16, released 7, not-affected 4, needs-triage 3. https://ubuntu.com/security/CVE-2018-0735

CVE-2018-0735 的影响软件 / 配置

厂商 产品 版本 原始 CPE
openssl openssl >= 1.1.0, <= 1.1.0i cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
openssl openssl 1.1.1 cpe:2.3:a:openssl:openssl:1.1.1:*:*:*:*:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 18.10 cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
nodejs node.js >= 10.0.0, < 10.12.0 cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
nodejs node.js >= 11.0.0, < 11.3.0 cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
nodejs node.js 10.13.0 cpe:2.3:a:nodejs:node.js:10.13.0:*:*:*:lts:*:*:*
netapp cn1610_firmware cpe:2.3:o:netapp:cn1610_firmware:-:*:*:*:*:*:*:*
netapp cloud_backup cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
netapp element_software cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
netapp oncommand_unified_manager cpe:2.3:a:netapp:oncommand_unified_manager:*:*:*:*:*:*:*:*
netapp oncommand_unified_manager >= 9.4 cpe:2.3:a:netapp:oncommand_unified_manager:*:*:*:*:*:vsphere:*:*
netapp santricity_smi-s_provider cpe:2.3:a:netapp:santricity_smi-s_provider:-:*:*:*:*:*:*:*
netapp smi-s_provider cpe:2.3:a:netapp:smi-s_provider:-:*:*:*:*:*:*:*
netapp snapdrive cpe:2.3:a:netapp:snapdrive:-:*:*:*:*:unix:*:*
netapp snapdrive cpe:2.3:a:netapp:snapdrive:-:*:*:*:*:windows:*:*
netapp steelstore cpe:2.3:a:netapp:steelstore:-:*:*:*:*:*:*:*
oracle api_gateway 11.1.2.4.0 cpe:2.3:a:oracle:api_gateway:11.1.2.4.0:*:*:*:*:*:*:*
oracle application_server 0.9.8 cpe:2.3:a:oracle:application_server:0.9.8:*:*:*:*:*:*:*
oracle application_server 1.0.0 cpe:2.3:a:oracle:application_server:1.0.0:*:*:*:*:*:*:*
oracle application_server 1.0.1 cpe:2.3:a:oracle:application_server:1.0.1:*:*:*:*:*:*:*
oracle enterprise_manager_base_platform 12.1.0.5.0 cpe:2.3:a:oracle:enterprise_manager_base_platform:12.1.0.5.0:*:*:*:*:*:*:*
oracle enterprise_manager_base_platform 13.2.0.0.0 cpe:2.3:a:oracle:enterprise_manager_base_platform:13.2.0.0.0:*:*:*:*:*:*:*
oracle enterprise_manager_base_platform 13.3.0.0.0 cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0.0:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.3.3 cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:*
oracle mysql <= 5.6.42 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle mysql >= 5.7.0, <= 5.7.24 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle mysql >= 8.0.0, <= 8.0.13 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.55 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.55:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.56 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.57 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*
oracle primavera_p6_enterprise_project_portfolio_management >= 17.7, <= 17.12 cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:*
oracle primavera_p6_enterprise_project_portfolio_management 8.4 cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:8.4:*:*:*:*:*:*:*
oracle primavera_p6_enterprise_project_portfolio_management 15.1 cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:15.1:*:*:*:*:*:*:*
oracle primavera_p6_enterprise_project_portfolio_management 15.2 cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:15.2:*:*:*:*:*:*:*
oracle primavera_p6_enterprise_project_portfolio_management 16.1 cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:16.1:*:*:*:*:*:*:*
oracle primavera_p6_enterprise_project_portfolio_management 16.2 cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:16.2:*:*:*:*:*:*:*
oracle primavera_p6_enterprise_project_portfolio_management 18.8 cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:18.8:*:*:*:*:*:*:*
oracle secure_global_desktop 5.4 cpe:2.3:a:oracle:secure_global_desktop:5.4:*:*:*:*:*:*:*
oracle tuxedo 12.1.1.0.0 cpe:2.3:a:oracle:tuxedo:12.1.1.0.0:*:*:*:*:*:*:*
oracle vm_virtualbox < 6.0.0 cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*
oracle vm_virtualbox >= 5.0.0, < 5.2.24 cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*

CVE-2018-0735 的参考链接

URL 标签
http://www.securityfocus.com/bid/105750 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041986 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:3700 Third Party Advisory
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=56fb454d281a023b3f950d969693553d3f3ceea1
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4
https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html Mailing List Third Party Advisory
https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20181105-0002/ Third Party Advisory
https://usn.ubuntu.com/3840-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4348 Third Party Advisory
https://www.openssl.org/news/secadv/20181029.txt Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2020.html Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html Patch Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html Patch Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html Patch Third Party Advisory
cvelogic Threat Intelligence