Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2017-3733— Encrypt-Then-Mac renegotiation crash

EPSS 3.10% · P87
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2017-3733

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Encrypt-Then-Mac renegotiation crash
Source: NVD (National Vulnerability Database)
Vulnerability Description
During a renegotiation handshake if the Encrypt-Then-Mac extension is negotiated where it was not in the original handshake (or vice-versa) then this can cause OpenSSL 1.1.0 before 1.1.0e to crash (dependent on ciphersuite). Both clients and servers 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 1.1.0e之前的1.1.0版本中存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（崩溃）。
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-2017-3733

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2017-3733

请登录查看更多情报信息。

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

CVE-2016-7053CMS Null dereference
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

IV. Related Vulnerabilities

Same product: OpenSSL
Same vendor: OpenSSL

V. Comments for CVE-2017-3733

No comments yet

Leave a comment