GO-2022-0166

vendorUSosv

Denial of service due to unchecked parameters in crypto/dsa

view advisory published 2022-05-24Licence: per source

The Verify function in crypto/dsa passed certain parameters unchecked to the underlying big integer library, possibly leading to extremely long-running computations, which in turn makes Go programs vulnerable to remote denial of service attacks. Programs using HTTPS client certificates or the Go SSH server libraries are both exposed to this vulnerability.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2016-3959UShigh7.5Exploit
The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote at…
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references

External citations — patches, advisories, analysis.

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