Insufficient Verification of Data Authenticity Affecting freeradius-krb5 package, versions <0:3.0.13-10.amzn2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN2-FREERADIUSKRB5-1670736
- published27 Sept 2021
- disclosed22 Apr 2019
Introduced: 22 Apr 2019
CVE-2019-11235 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 freeradius-krb5 to version 0:3.0.13-10.amzn2 or higher.
This issue was patched in ALAS2-2019-1218.
NVD Description
Note: Versions mentioned in the description apply only to the upstream freeradius-krb5 package and not the freeradius-krb5 package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1695748
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11235
- https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19
- https://freeradius.org/security/
- https://papers.mathyvanhoef.com/dragonblood.pdf
- https://www.kb.cert.org/vuls/id/871675/
- https://access.redhat.com/errata/RHSA-2019:1131
- https://access.redhat.com/errata/RHSA-2019:1142
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
- https://usn.ubuntu.com/3954-1/