low

Timing attack with Lambda and CloudWatch Synthetics

Published Tue, Sep 15th, 2020

Platforms

aws

Summary

The immutability of Lambda versions could be violated via a timing attack against CloudWatch Synthetics canaries.

Affected Services

Lambda, CloudWatch Synthetics

Remediation

None required

Tracked CVEs

No tracked CVEs

References

Contributed by https://github.com/ramimac

Entry Status

Finalized

Disclosure Date

Tue, Sep 15th, 2020

Exploitability Period

-

Known ITW Exploitation

-

Detection Methods

None

Piercing Index Rating

-

Discovered by

Ian Mckay