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[email protected]CVE-2017-3733

HistoryMay 04, 2017 - 7:29 p.m.

CVE-2017-3733

2017-05-0419:29:00

CWE-20

[email protected]

web.nvd.nist.gov

cve-2017-3733

openssl

handshake

encrypt-then-mac

vulnerability

crash

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.2 High

AI Score

Confidence

High

0.036 Low

EPSS

Percentile

91.8%

JSON

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.

Affected configurations

NVD

Node

opensslopensslMatch1.1.0

opensslopensslMatch1.1.0a

opensslopensslMatch1.1.0b

opensslopensslMatch1.1.0c

opensslopensslMatch1.1.0d

Node

hpoperations_agentMatch11.14

hpoperations_agentMatch11.15

CPENameOperatorVersion
openssl:opensslopenssleq1.1.0
openssl:opensslopenssleq1.1.0a
openssl:opensslopenssleq1.1.0b
openssl:opensslopenssleq1.1.0c
openssl:opensslopenssleq1.1.0d

CPE	Name	Operator	Version
openssl:openssl	openssl	eq	1.1.0
openssl:openssl	openssl	eq	1.1.0a
openssl:openssl	openssl	eq	1.1.0b
openssl:openssl	openssl	eq	1.1.0c
openssl:openssl	openssl	eq	1.1.0d

CNA Affected

[
  {
    "product": "OpenSSL",
    "vendor": "OpenSSL",
    "versions": [
      {
        "status": "affected",
        "version": "openssl-1.1.0"
      },
      {
        "status": "affected",
        "version": "openssl-1.1.0a"
      },
      {
        "status": "affected",
        "version": "openssl-1.1.0b"
      },
      {
        "status": "affected",
        "version": "openssl-1.1.0c"
      },
      {
        "status": "affected",
        "version": "openssl-1.1.0d"
      }
    ]
  }
]