CVE-2020-19860

Public Exploit

Description

When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
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/NLnetLabs/ldns/issues/50 issue tracking exploit third party advisory
https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-19860?
CVE-2020-19860 has been scored as a medium severity vulnerability.
How to fix CVE-2020-19860?
To fix CVE-2020-19860, 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-2020-19860 being actively exploited in the wild?
It is possible that CVE-2020-19860 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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