High severity · published May 4, 2017
CVE-2017-3731
If an SSL/TLS server or client is running on a 32-bit host, and a specific cipher is being used, then a truncated packet can cause that server or client to perform an…
7.5
CVSS
57.3%
EPSS
No
On KEV
Description
If an SSL/TLS server or client is running on a 32-bit host, and a specific cipher is being used, then a truncated packet can cause that server or client to perform an out-of-bounds read, usually resulting in a crash. For OpenSSL 1.1.0, the crash can be triggered when using CHACHA20/POLY1305; users should upgrade to 1.1.0d. For Openssl 1.0.2, the crash can be triggered when using RC4-MD5; users who have not disabled that algorithm should update to 1.0.2k.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)57.3% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NO
Node.js · Nodejs
4.0.0 through 4.1.2; 4.2.0 before 4.7.3; 5.0.0 through 5.12.0; 6.0.0 through 6.8.1; 6.9.0 before 6.9.5; 7.0.0 before 7.5.0 · source: NVD
OP
Openssl · Openssl
1.1.0a; 1.1.0b; 1.1.0c; 1.0.2; 1.0.2; 1.0.2; +10 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-3731
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-3731
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0286.html
Third Party Advisory
http://www.debian.org/security/2017/dsa-3773
Patch
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Patch
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Patch
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Third Party Advisory
http://www.securityfocus.com/bid/95813
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