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AUSCERT External Security Bulletin Redistribution
ESB-2018.2458
Security update for openssl
21 August 2018
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AusCERT Security Bulletin Summary
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Product: openssl
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote with User Interaction
Access Privileged Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-0732
Reference: ESB-2018.2333
ESB-2018.2187
ESB-2018.1870
ESB-2018.1758
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20182449-1.html
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SUSE Security Update: Security update for openssl
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:2449-1
Rating: moderate
References: #1097158 #1097624 #1098592
Cross-References: CVE-2018-0732
Affected Products:
SUSE CaaS Platform 3.0
______________________________________________________________________________
An update that solves one vulnerability and has two fixes
is now available.
Description:
This update for openssl fixes the following issues:
- CVE-2018-0732: During key agreement in a TLS handshake using a DH(E)
based ciphersuite a malicious server could have sent a very large prime
value to the client. This caused the client to spend an unreasonably
long period of time generating a key for this prime resulting in a hang
until the client has finished. This could be exploited in a Denial Of
Service attack (bsc#1097158).
- Blinding enhancements for ECDSA and DSA (bsc#1097624, bsc#1098592)
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- SUSE CaaS Platform 3.0:
To install this update, use the SUSE CaaS Platform Velum dashboard.
It will inform you if it detects new updates and let you then trigger
updating of the complete cluster in a controlled way.
Package List:
- SUSE CaaS Platform 3.0 (x86_64):
libopenssl1_0_0-1.0.2j-60.34.1
libopenssl1_0_0-debuginfo-1.0.2j-60.34.1
openssl-1.0.2j-60.34.1
openssl-debuginfo-1.0.2j-60.34.1
openssl-debugsource-1.0.2j-60.34.1
References:
https://www.suse.com/security/cve/CVE-2018-0732.html
https://bugzilla.suse.com/1097158
https://bugzilla.suse.com/1097624
https://bugzilla.suse.com/1098592
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