CVE-2019-16791— downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver
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I. Basic Information for CVE-2019-16791
Vulnerability Information
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Vulnerability Title
downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver
Source: NVD (National Vulnerability Database)
Vulnerability Description
In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在会话协商时选择低安全性的算法(算法降级)
Source: NVD (National Vulnerability Database)
Vulnerability Title
postfix-mta-sts-resolver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Postfix是一款开源的邮件传输代理。 postfix-mta-sts-resolver 0.5.1之前版本中存在安全漏洞。攻击者可利用该漏洞对有效的STS策略进行降级。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Snawoot | postfix-mta-sts-resolver | < 0.5.1 | - |
II. Public POCs for CVE-2019-16791
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6bx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2019-16791
IV. Related Vulnerabilities
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V. Comments for CVE-2019-16791
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