PT-2020-4013 · Intel · Intel Processors+1

Andrei Lutas + 2 · Published 2020-03-10 · Updated 2023-09-25 · CVE-2020-0551

Positive Technologies (AI Summary)

CVSS v3.1

5.6

Medium

Base vector

AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Intel(R) Processors (affected versions not specified)

Description: The issue concerns a load value injection in some Intel(R) Processors utilizing speculative execution, which may allow an authenticated user to potentially enable information disclosure via a side channel with local access. This could lead to the disclosure of protected information. The vulnerability exploits the speculative execution mechanism, potentially allowing attackers to bypass existing defenses and access sensitive data from Intel SGX enclaves and other processes.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

BDU:2020-04411

CVE-2020-0551

OESA-2021-1098

Affected Products

Intel Processors

Intel Sgx

References · 22

• 🔥 https://github.com/bitdefender/lvi-lfb-attack-poc · Exploit
• https://osv.dev/vulnerability/OESA-2021-1098 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-0551 · Vendor Advisory
• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-00334.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-0551 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-0551 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-16592 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-0551 · Security Note
• https://bdu.fstec.ru/vul/2020-04411 · Security Note
• https://github.com/jovanbulck/sgx-step · Note
• https://t.me/cybersecuritytechnologies/774 · Telegram Post
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1098 · Note
• https://software.intel.com/security-software-guidance/software-guidance/load-value-injection · Note
• https://software.intel.com/security-software-guidance/insights/deep-dive-load-value-injection · Note
• https://sourceware.org/pipermail/binutils/2020-March/110175.html · Note