Home/CVE/The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attac
CVE

CVE-2018-0737

The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attac

The OpenSSL 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 recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h).

Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o).

MEDIUM · CVSS 5.9 EPSS 0.38121
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0

Weakness Classification

Affected Products & Versions

3
openssl>= 1.0.2b and <= 1.0.2o
openssl>= 1.1.0 and <= 1.1.0h

Scoring & Timeline

5.9
MEDIUM · CVSS v3.0 · openssl-security@openssl.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Apr 2018 · 06:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Advisories

23
suse-csafopenSUSE-SU-2024:11126-1
suse-csafopenSUSE-SU-2024:11127-1
rhsaRHSA-2019:3932Important
rhsaRHSA-2019:3933Important
rhsaRHSA-2019:3935Important
🔗

References & Sources

30
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/103766Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040685Third Party AdvisoryVDB Entry
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