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AWS-LC is an open-source, general-purpose cryptographic library.
Improper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes.
Customers of AWS services do not need to take action. aws-lc-sys contains code from AWS-LC. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.
aws-lc-sys versions: >= 0.24.0, < 0.38.0
The patch is included in v0.38.0
There is no workaround. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.
If there are any questions or comments about this advisory, contact [AWS/Amazon] Security via the vulnerability reporting page or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.
AWS-LC is an open-source, general-purpose cryptographic library.
Improper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes.
Customers of AWS services do not need to take action. aws-lc-sys contains code from AWS-LC. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.
aws-lc-sys versions: >= 0.24.0, < 0.38.0
The patch is included in v0.38.0
There is no workaround. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.
If there are any questions or comments about this advisory, contact [AWS/Amazon] Security via the vulnerability reporting page or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.
This high-severity vulnerability could allow attackers to gain unauthorized access, execute arbitrary code, or compromise data integrity. Prompt remediation is strongly recommended.
Probability of exploitation in the next 30 days · more likely than 32.1% of all CVEs.
Apply security patches to version 0.38.0 immediately
Isolate affected systems from untrusted networks until patching is complete
Implement enhanced monitoring for exploitation attempts and unusual behavior