CVE-2019-3836
Quick assessment
Affected
gnutls gnutls
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS中存在安全漏洞。攻击者可借助TLS1.3协议的异步消息利用该漏洞造成拒绝服务或获取敏感信息。
Possible ATT&CK Techniques 1 AI
T1201 · Password Policy Discovery
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I. Basic Information for CVE-2019-3836
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
变量未经初始化
Source: CVE Program / CVE List V5
Vulnerability Title
GnuTLS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS中存在安全漏洞。攻击者可借助TLS1.3协议的异步消息利用该漏洞造成拒绝服务或获取敏感信息。
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
II. Public POCs for CVE-2019-3836
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2019-3836 (5)
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https://security.netapp.com/advisory/ntap-20190502-0005/ x_refsource_CONFIRM
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https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836 x_refsource_CONFIRM
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Mailing List Discussions for CVE-2019-3836 (2)
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http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html vendor-advisory x_refsource_SUSE
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2019-3836 (1)
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https://gitlab.com/gnutls/gnutls/issues/704 x_refsource_CONFIRM
IV. Related Vulnerabilities
V. Comments for CVE-2019-3836
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