Upstream information

CVE-2017-3733 at MITRE

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High

Note from the SUSE Security Team

This issue does not affect SUSE Linux Enterprise or openSUSE.

SUSE Bugzilla entries: 1025661 [RESOLVED / WORKSFORME], 1064200 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Product(s) Source package State
SUSE Linux Enterprise Desktop 12 SP1 openssl Unsupported
SUSE Linux Enterprise Desktop 12 SP2 openssl Not affected
SUSE Linux Enterprise SDK 11 SP4 openssl Not affected
SUSE Linux Enterprise SDK 12 SP1 openssl Unsupported
SUSE Linux Enterprise SDK 12 SP2 openssl Not affected
SUSE Linux Enterprise Security Module 11.3 GA openssl1 Not affected
SUSE Linux Enterprise Server 11 SP4 openssl Not affected
SUSE Linux Enterprise Server 12 SP1 openssl Unsupported
SUSE Linux Enterprise Server 12 SP2 openssl Not affected
SUSE Linux Enterprise Server for SAP 11 SP3 compat-openssl097g Not affected
SUSE Linux Enterprise Server for SAP 11 SP4 compat-openssl097g Not affected
SUSE Studio Onsite 1.3 openssl Not affected