CVE-2018-1000660 : What You Need to Know
Learn about CVE-2018-1000660, a TOCK vulnerability allowing unauthorized memory access by untrusted drivers. Find out how to mitigate this security flaw.
This CVE-2018-1000660 article provides insights into a security flaw in the TOCK version before commit 42f7f36e74088036068d62253e1d8fb26605feed, highlighting insecure permissions and its impact.
Understanding CVE-2018-1000660
What is CVE-2018-1000660?
The CVE-2018-1000660 vulnerability in TOCK involves insecure permissions that could allow unauthorized access to memory by a Tock capsule.
The Impact of CVE-2018-1000660
The security flaw could enable untrusted drivers to gain unauthorized access to arbitrary memory through safe code execution.
Technical Details of CVE-2018-1000660
Vulnerability Description
The vulnerability is located in the function get_package_name in the file kernel/src/tbfheader.rs, specifically in the variable 'pub package_name: &'static str,' in the file process.rs.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: n/a
Exploitation Mechanism
Exploiting this flaw could allow a Tock capsule to access arbitrary memory using safe code execution.
Mitigation and Prevention
Immediate Steps to Take
- Update to the fixed commit 42f7f36e74088036068d62253e1d8fb26605feed.
Long-Term Security Practices
- Regularly monitor and apply security patches.
- Implement least privilege access controls.
- Conduct security audits and code reviews.
Patching and Updates
Ensure all systems are updated to the patched version to mitigate the vulnerability.