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CVE-2016-7053— CMS Null dereference

EPSS 1.06% · P78
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I. Basic Information for CVE-2016-7053

Vulnerability Information
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Vulnerability Title
CMS Null dereference
Source: NVD (National Vulnerability Database)
Vulnerability Description
In OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures can crash with a NULL pointer dereference. This is caused by a bug in the handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a NULL value being passed to the structure callback if an attempt is made to free certain invalid encodings. Only CHOICE structures using a callback which do not handle NULL value are affected.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenSSL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSL是OpenSSL团队开发的一个开源的能够实现安全套接层（SSL v2/v3）和安全传输层（TLS v1）协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 1.1.0c之前的1.1.0版本中的ASN.1 CHOICE类型处理过程存在安全漏洞。攻击者可利用该漏洞造成应用程序崩溃（空指针逆向引用）。
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

VendorProductAffected VersionsCPESubscribe
OpenSSLOpenSSL openssl-1.1.0 -

II. Public POCs for CVE-2016-7053

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III. Intelligence Information for CVE-2016-7053

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Same Patch Batch · OpenSSL · 2017-05-04 · 6 CVEs total

CVE-2016-7054ChaCha20/Poly1305 heap-buffer-overflow
CVE-2017-3730Bad (EC)DHE parameters cause a client crash
CVE-2017-3731Truncated packet could crash via OOB read
CVE-2017-3732BN_mod_exp may produce incorrect results on x86_64
CVE-2017-3733Encrypt-Then-Mac renegotiation crash

IV. Related Vulnerabilities

Same product: OpenSSL
Same vendor: OpenSSL

V. Comments for CVE-2016-7053

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