CVE-2020-15694

HIGH 7.5EPSS 2.3%

In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get().contentLength() does not raise any error if a malicious server provides a negative Content-Length.

CVSS v3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0: 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS: 2.33% chance of exploitation in the next 30 days, 82th percentile
Published: 2020-08-14
Updated: 2024-08-04

Proof-of-concept exploits (1)

http://www.openwall.com/lists/oss-security/2021/02/04/2

References

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