CVE-2017-3733

CVSS V2 Medium 5 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2017-3733

Assigner
openssl-security@openssl.org

Vulnerability Status
Modified

Published Version
2017-05-04T19:29:00

Last Modified Date
2019-04-23T19:30:00

Weakness Enumerations

CWE	URL
CWE-20	http://cwe.mitre.org/data/definitions/20.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
cpe:2.3:a:openssl:openssl:1.1.0:::::::*	1	OR
cpe:2.3:a:openssl:openssl:1.1.0a:::::::*	1	OR
cpe:2.3:a:openssl:openssl:1.1.0b:::::::*	1	OR
cpe:2.3:a:openssl:openssl:1.1.0c:::::::*	1	OR
cpe:2.3:a:openssl:openssl:1.1.0d:::::::*	1	OR
cpe:2.3:a:hp:operations_agent:11.14:::::::*	1	OR
cpe:2.3:a:hp:operations_agent:11.15:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.openssl.org/news/secadv/20170216.txt	Vendor Advisory
http://www.securityfocus.com/bid/96269	Third Party Advisory VDB Entry
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03728en_us	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037846
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-3733
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3733

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:42:49				Added to TrackCVE
2022-12-02 16:37:28	2017-05-04T19:29Z	2017-05-04T19:29:00	CVE Published Date	updated
2022-12-02 16:37:28		2019-04-23T19:30:00	CVE Modified Date	updated
2022-12-02 16:37:28		Modified	Vulnerability Status	updated