Security context
What an agent needs to avoid regressing past fixes and find the next vuln in this repo.
treeverse/dvc
main @ 8131c32
3
Fixes
8
CVEs
CRITICAL
Peak severity
Highlights
Cryptographic Issues: 1 prior fix. Scrutinize any change in this area.
dvc/command/import_file.py: most-fixed (1 issue). Treat as high-risk during review.
0 high-severity fixes in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Improper Certificate Validation: The S3 client failed to forward the TLS certificate verification configuration to the underlying boto3 session, risking silent exposure to Man-in-the-Middle (MitM) attacks where custom verification was expected to be active.
Cryptographic Issues: During file imports, downloaded files were previously saved directly without cryptographic validation. Implementing MD5 checksum validation against the 'content-md5' HTTP header prevents the use of corrupted or altered files.
Excessive Privileges: The application snap package configuration initially used 'classic' confinement, granting unrestricted system access where a 'strict' sandbox restricted to the home directory is sufficient.