Vulnerability in Arm Cortex-A
CVE-2018-3693
Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.086 (95.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.086 · newest: 0.086 · change: 0.000
Affected products
- Arm Cortex-A — versions 8, 9, 12
- Arm Cortex-R — versions 7, 8
- Fujitsu M12-1
- Fujitsu M12-1 Firmware
- Fujitsu M12-2
- Fujitsu M12-2 Firmware
- Fujitsu M12-2s
- Fujitsu M12-2s Firmware
- Intel Atom C — versions c2308, c2316, c2338
- Intel Atom E — versions e3805, e3815, e3825
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2018:2390 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2395 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2384 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:1946 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0174 (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpujul2020.html (Patch, Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html (Patch, Third Party Advisory)
- help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+D… (Third Party Advisory)
- security.netapp.com/advisory/ntap-20180823-0001/ (Third Party Advisory)
- www.oracle.com/security-alerts/cpuoct2020.html (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-3693?
- CVE-2018-3693 is a medium-severity vulnerability in Arm Cortex-A. CVSS score: 5.6/10. Published 2018-07-10.
- How severe is CVE-2018-3693?
- Medium severity. CVSS v3 base score is 5.6 out of 10.
- Is CVE-2018-3693 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.