Strix
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CVE-2018-0734

MEDIUMCVSS 5.9/10EPSS 12.15%

Last modified

CVE-2018-0734 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 12.15% chance of exploitation in the next 30 days.

Description

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).

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
12.15%

95.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensslOpenssl>= 1.0.2, <= 1.0.2p
OpensslOpenssl>= 1.1.0, <= 1.1.0i
OpensslOpenssl1.1.1
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux18.04
CanonicalUbuntu Linux18.10
DebianDebian Linux9.0
NodejsNode.Js>= 6.0.0, <= 6.8.1
NodejsNode.Js>= 6.9.0, < 6.15.0
NodejsNode.Js>= 8.0.0, <= 8.8.1
NodejsNode.Js>= 8.9.0, < 8.14.0
NodejsNode.Js>= 10.0.0, <= 10.12.0
NodejsNode.Js>= 11.0.0, < 11.3.0
NodejsNode.Js10.13.0
NetappCn1610 FirmwareAll versions
NetappCloud BackupAll versions
NetappOncommand Unified ManagerAll versions
NetappSantricity Smi-S ProviderAll versions
NetappSnapcenterAll versions
NetappSteelstoreAll versions
NetappStorage Automation StoreAll versions
OracleApi Gateway11.1.2.4.0
OracleE-Business Suite Technology Stack0.9.8
OracleE-Business Suite Technology Stack1.0.0
OracleE-Business Suite Technology Stack1.0.1
OracleEnterprise Manager Base Platform12.1.0.5.0
OracleEnterprise Manager Base Platform13.2.0.0.0
OracleEnterprise Manager Base Platform13.3.0.0.0
OracleEnterprise Manager Ops Center12.3.3
OracleMysql Enterprise Backup>= 3.0, <= 3.12.3
OracleMysql Enterprise Backup>= 4.0, <= 4.1.2
OraclePeoplesoft Enterprise Peopletools8.55
OraclePeoplesoft Enterprise Peopletools8.56
OraclePeoplesoft Enterprise Peopletools8.57
OraclePrimavera P6 Professional Project Management>= 17.7, <= 17.12
OraclePrimavera P6 Professional Project Management8.4
OraclePrimavera P6 Professional Project Management15.1
OraclePrimavera P6 Professional Project Management15.2
OraclePrimavera P6 Professional Project Management16.1
OraclePrimavera P6 Professional Project Management16.2
OraclePrimavera P6 Professional Project Management18.8
OracleTuxedo12.1.1.0.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-0734?
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).
How severe is CVE-2018-0734?
CVE-2018-0734 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 12.15% probability of exploitation in the next 30 days.
How do I fix CVE-2018-0734?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0734?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST