Vulnerability Description
In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Heimdal Project | Heimdal | < 7.6.0 |
| Fedoraproject | Fedora | 30 |
| Opensuse | Backports Sle | 15.0 |
| Opensuse | Leap | 15.0 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.htmlMailing ListThird Party Advisory
- http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.htmlPatchVendor Advisory
- https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35PatchThird Party Advisory
- https://github.com/heimdal/heimdal/compare/3e58559...bbafe72PatchThird Party Advisory
- https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Jun/1Mailing ListThird Party Advisory
- https://www.debian.org/security/2019/dsa-4455Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.htmlMailing ListThird Party Advisory
- http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.htmlPatchVendor Advisory
FAQ
What is CVE-2019-12098?
CVE-2019-12098 is a vulnerability with a CVSS score of 7.4 (HIGH). In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_cred...
How severe is CVE-2019-12098?
CVE-2019-12098 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-12098?
Check the references section above for vendor advisories and patch information. Affected products include: Heimdal Project Heimdal, Fedoraproject Fedora, Opensuse Backports Sle, Opensuse Leap, Debian Debian Linux.