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SUSE: 2018:2965-1 Moderate: openssl-1_0_0 Denial Of Service Risk

suse
Calendar Grey October 1, 2018
Dist Suse Esm H88
SUSE Alert: Strengthens openssl-1_0_0 to protect against various vulnerabilities, particularly significant side-channel exploit risks.
An update that solves two vulnerabilities and has three fixes is now available

Summary

This update for openssl-1_0_0 to 1.0.2p fixes the following issues: These security issues were fixed: - Prevent One&Done side-channel attack on RSA that allowed physically near attackers to use EM emanations to recover information (bsc#1104789) - CVE-2018-0737: The RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could have recovered the private key (bsc#1089039) - 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

References

#1089039 #1097158 #1101470 #1104789 #1106197

Cross- CVE-2018-0732 CVE-2018-0737

Affected Products:

SUSE Linux Enterprise Module for Legacy Software 15

https://www.suse.com/security/cve/CVE-2018-0732.html

https://www.suse.com/security/cve/CVE-2018-0737.html

https://bugzilla.suse.com/1089039

https://bugzilla.suse.com/1097158

https://bugzilla.suse.com/1101470

https://bugzilla.suse.com/1104789

https://bugzilla.suse.com/1106197

Announcement ID: SUSE-SU-2018:2965-1
Rating: moderate

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