CVE-2020-36316

Public Exploit

Description

In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.26%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/relic-toolkit/relic/tree/32eb4c257fc80328061d66639b1cdb35dbed51a2 third party advisory
https://github.com/relic-toolkit/relic/ third party advisory product
https://github.com/relic-toolkit/relic/commit/76c9a1fdf19d9e92e566a77376673e522aae9f80 third party advisory patch
https://github.com/relic-toolkit/relic/issues/155 exploit third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-36316?
CVE-2020-36316 has been scored as a medium severity vulnerability.
How to fix CVE-2020-36316?
To fix CVE-2020-36316, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36316 being actively exploited in the wild?
It is possible that CVE-2020-36316 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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