CVE-2016-7444
Quick assessment
Affected
n/a n/a
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是比利时Nikos Mavrogiannopoulos和瑞典Simon Josefsson软件开发者共同研发的一个免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS 3.4.15之前的版本和3.5.4之前的3.5.x版本中的lib/x509/ocsp.c文件中的‘gnutls_ocsp_resp_check_crt’函数存在安全漏洞，该漏洞源于程序没有验证OCSP响应的序列长度。远程攻击者可借助gnutls_malloc遗留的尾部字节利用该漏洞绕过既定的证书验证机制。
Possible ATT&CK Techniques 2 AI
T1598.002 · Spearphishing Attachment T1598 · Phishing for Information
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I. Basic Information for CVE-2016-7444
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The gnutls_ocsp_resp_check_crt function in lib/x509/ocsp.c in GnuTLS before 3.4.15 and 3.5.x before 3.5.4 does not verify the serial length of an OCSP response, which might allow remote attackers to bypass an intended certificate validation mechanism via vectors involving trailing bytes left by gnutls_malloc.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GnuTLS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是比利时Nikos Mavrogiannopoulos和瑞典Simon Josefsson软件开发者共同研发的一个免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS 3.4.15之前的版本和3.5.4之前的3.5.x版本中的lib/x509/ocsp.c文件中的‘gnutls_ocsp_resp_check_crt’函数存在安全漏洞，该漏洞源于程序没有验证OCSP响应的序列长度。远程攻击者可借助gnutls_malloc遗留的尾部字节利用该漏洞绕过既定的证书验证机制。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2016-7444
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2016-7444 (1)
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https://gitlab.com/gnutls/gnutls/commit/964632f37dfdfb914ebc5e49db4fa29af35b1de9 x_refsource_CONFIRM
Vendor Advisories for CVE-2016-7444 (2)
Mailing List Discussions for CVE-2016-7444 (2)
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http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00005.html vendor-advisory x_refsource_SUSE
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https://lists.gnupg.org/pipermail/gnutls-devel/2016-September/008146.html mailing-list x_refsource_MLIST
Other References for CVE-2016-7444 (1)
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https://www.gnutls.org/security.html x_refsource_CONFIRM
Same Patch Batch · n/a · 2016-09-27 · 9 CVEs total
| CVE-2016-4058 | Huawei Policy Center 跨站脚本漏洞 | |
| CVE-2016-4978 | Apache ActiveMQ Artemis多个组件安全漏洞 | |
| CVE-2016-6137 | SAP TREX 安全漏洞 | |
| CVE-2016-6146 | SAP TREX 安全漏洞 | |
| CVE-2016-6330 | Red Hat JBoss Operations Network 代码问题漏洞 | |
| CVE-2016-7044 | Irssi 安全漏洞 | |
| CVE-2016-7045 | Irssi 安全漏洞 | |
| CVE-2016-7498 | OpenStack 资源管理错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2016-7444
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