The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6887.
结论预警: CVE-2016-8671 综合评估为中等风险(48.2/100):CVSS 技术影响为中级,利用概率(EPSS 1.34%) 强制指令: 梳理受影响资产并纳入修补计划。
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。
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 | 2026-06-15 | 0.37% | 1.34% | +0.96% |
| 2 | 2025-03-30 | 0.53% | 0.37% | -0.16% |
| 3 | 2025-03-29 | — | 0.53% | — |
完整 EPSS 历史 (共 8 条)
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 | 3.0 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2016-8671 medium priority: Ubuntu including 1 source packages (matrixssl), 10 status rows across 10 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, xenial, yakkety, zesty): DNE 8, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2016-8671 |
| URL | 标签 |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/10/15/2 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/10/15/8 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/95439 | |
| https://blog.fuzzing-project.org/54-Update-on-MatrixSSL-miscalculation-CVE-2016-8671%2C-incomplete-fix-for-CVE-2016-6887.html |