Improper Handling of Highly Compressed Data (Data Amplification) Affecting github.com/ctfer-io/chall-manager/pkg/scenario package, versions <0.1.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Jul 2025
- disclosed10 Jul 2025
- creditUnknown
Introduced: 10 Jul 2025
NewCVE-2025-53633 (opens in a new tab)How to fix?
Upgrade github.com/ctfer-io/chall-manager/pkg/scenario to version 0.1.4 or higher.
Overview
Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) in the scenario decoding process. An attacker can cause excessive resource consumption by submitting a specially crafted zip archive that decompresses to a very large size.