CVE-2019-19794
CoreDNS Miegk DNS Forkable Random Number Generation Vulnerability
Description
The miekg Go DNS package before 1.1.25, as used in CoreDNS before 1.6.6 and other products, improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.
INFO
Published Date :
Dec. 13, 2019, 10:15 p.m.
Last Modified :
Nov. 21, 2024, 4:35 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2019-19794
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected Linux packages.
Public PoC/Exploit Available at Github
CVE-2019-19794 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-19794.
| URL | Resource |
|---|---|
| https://github.com/coredns/coredns/issues/3519 | Issue Tracking Third Party Advisory |
| https://github.com/coredns/coredns/issues/3547 | Third Party Advisory |
| https://github.com/miekg/dns/compare/v1.1.24...v1.1.25 | Release Notes Third Party Advisory |
| https://github.com/miekg/dns/issues/1043 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/miekg/dns/pull/1044 | Patch Third Party Advisory |
| https://github.com/coredns/coredns/issues/3519 | Issue Tracking Third Party Advisory |
| https://github.com/coredns/coredns/issues/3547 | Third Party Advisory |
| https://github.com/miekg/dns/compare/v1.1.24...v1.1.25 | Release Notes Third Party Advisory |
| https://github.com/miekg/dns/issues/1043 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/miekg/dns/pull/1044 | Patch Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-19794 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-19794
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
supplychain security
supply-chain golang go-mod
Go Dockerfile
oshka is a tool for extracting nested CI/CD supply chains and executing commands.
github-actions security supply-chain
Makefile Go Dockerfile Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-19794 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-19794 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/coredns/coredns/issues/3519 Added Reference https://github.com/coredns/coredns/issues/3547 Added Reference https://github.com/miekg/dns/compare/v1.1.24...v1.1.25 Added Reference https://github.com/miekg/dns/issues/1043 Added Reference https://github.com/miekg/dns/pull/1044 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Jan. 02, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:miekg-dns_prject:miekg-dns:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.25 OR *cpe:2.3:a:miekg-dns_project:miekg-dns:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.25 -
Initial Analysis by [email protected]
Dec. 19, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://github.com/coredns/coredns/issues/3519 No Types Assigned https://github.com/coredns/coredns/issues/3519 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/coredns/coredns/issues/3547 No Types Assigned https://github.com/coredns/coredns/issues/3547 Third Party Advisory Changed Reference Type https://github.com/miekg/dns/compare/v1.1.24...v1.1.25 No Types Assigned https://github.com/miekg/dns/compare/v1.1.24...v1.1.25 Release Notes, Third Party Advisory Changed Reference Type https://github.com/miekg/dns/issues/1043 No Types Assigned https://github.com/miekg/dns/issues/1043 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/miekg/dns/pull/1044 No Types Assigned https://github.com/miekg/dns/pull/1044 Patch, Third Party Advisory Added CWE NIST CWE-338 Added CPE Configuration OR *cpe:2.3:a:miekg-dns_prject:miekg-dns:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.25 -
CVE Modified by [email protected]
Dec. 18, 2019
Action Type Old Value New Value Added Reference https://github.com/coredns/coredns/issues/3547 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 5.9
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.39 }} 0.00%
score
0.58944
percentile