CVE-2019-14844
What it is
A flaw was found in, Fedora versions of krb5 from 1.16.1 to, including 1.17.x, in the way a Kerberos client could crash the KDC by sending one of the RFC 4556 "enctypes". A remote unauthenticated user could use this flaw to crash the KDC.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 4.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 4.4% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 4.4% · EPSS, next 30 days
- Weakness
- CWE-628
- Record status
- Modified
Affected
- Mit Kerberos 5 ≤ 1.17.1
- Fedoraproject Fedora 29
- Fedoraproject Fedora 30
- Fedoraproject Fedora 31
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-14844.md and follow it. Check whether this project is affected by CVE-2019-14844. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844
- https://github.com/krb5/krb5/pull/981
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844
- https://github.com/krb5/krb5/pull/981
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844
- https://github.com/krb5/krb5/pull/981
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/
- https://security.netapp.com/advisory/ntap-20220325-0003/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844
- https://github.com/krb5/krb5/pull/981
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/
- https://security.netapp.com/advisory/ntap-20220325-0003/