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CVE
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CVE-2017-3731Date: (C)2017-05-05   (M)2018-09-27


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 Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
SECTRACK-1037717
BID-95813
DSA-3773
FreeBSD-SA-17:02
GLSA-201702-07
RHSA-2017:0286
RHSA-2018:2185
RHSA-2018:2186
RHSA-2018:2187
http://securityadvisories.paloaltonetworks.com/Home/Detail/82
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
https://github.com/openssl/openssl/commit/00d965474b22b54e4275232bc71ee0c699c5cd21
https://security.netapp.com/advisory/ntap-20171019-0002/
https://source.android.com/security/bulletin/pixel/2017-11-01
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03838en_us
https://www.openssl.org/news/secadv/20170126.txt
https://www.tenable.com/security/tns-2017-04

CPE    10
cpe:/a:openssl:openssl:1.0.2b
cpe:/a:openssl:openssl:1.0.2a
cpe:/a:openssl:openssl:1.0.2d
cpe:/a:openssl:openssl:1.0.2c
...
CWE    1
CWE-125
OVAL    15
oval:org.secpod.oval:def:38965
oval:org.secpod.oval:def:39946
oval:org.secpod.oval:def:1800846
oval:org.secpod.oval:def:1800417
...

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