CVE Tools
Sign in

CVE-2018-0734

Timing attack against DSA

Published: Oct 30, 2018Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-327
5.9MEDIUM
NVD MITRE
EPSS Score
12.2%
Top 4.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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).

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-327

Affected Products

Oracle Corp.
commercial·USaka oracle
API GatewayOn-prem
Cloud & SaaS / api-gateway
Enterprise Manager Ops CenterOn-premWeb App
Enterprise Software / itsm-monitoring
VM VirtualBoxOn-prem
Cloud & SaaS / container-orchestration
PeopleSoft Enterprise PeopleToolsOn-prem
Databases / itsm-monitoring
MySQLOn-premDatabase
Databases / relational
Primavera P6 Enterprise Project Portfolio ManagementOn-premWeb App
Enterprise Software / itsm-monitoring
Enterprise Manager Base PlatformOn-prem
Databases / db-tooling
TuxedoOn-premWeb App
Databases / relational
netapp
commercial·US
cn1610 firmware
Hardware Firmware
cloud backup
Hardware Firmware
oncommand unified manager
Hardware Firmware
santricity smi-s provider
Hardware Firmware
snapcenter
Hardware Firmware
steelstore
Hardware Firmware
storage automation store
Hardware Firmware
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
JBoss Core ServicesOn-prem
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
and 25 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2018-0734?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://www.openssl.org/news/secadv/20181030.txt
openssl.org
https://nvd.nist.gov/vuln/detail/CVE-2018-0734
nvd.nist.gov
https://security-tracker.debian.org/tracker/CVE-2018-0734
security-tracker.debian.org
and 40 more references View all →
News mentions
Could not load news mentions.

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2018-0734 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows