CVE-2018-0734

high-risk
Published 2018-10-30

The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).

Do I need to act?

~
6.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (20)

Santricity Smi-S Provider
Steelstore
Api Gateway
E-Business Suite Technology Stack
E-Business Suite Technology Stack

References (58)

Third Party Advisory https://usn.ubuntu.com/3840-1/
and 38 more references
51
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 9/34 · Low
Exposure 24/34 · High