CVE-2019-12098
HIGHCVSS 7.4/10EPSS 1.98%
Last modified
CVE-2019-12098 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 1.98% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Heimdal Project | Heimdal | < 7.6.0 |
| Fedoraproject | Fedora | 30 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Backports Sle | 15.0 |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 42.3 |
| Debian | Debian Linux | 9.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.htmlMailing List, Third Party Advisory
- http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.htmlPatch, Vendor Advisory
- https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cfPatch, Third Party Advisory
- https://github.com/heimdal/heimdal/compare/3e58559...bbafe72Patch, Third Party Advisory
- https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0Third Party Advisory
- https://seclists.org/bugtraq/2019/Jun/1Mailing List, Third Party Advisory
- https://www.debian.org/security/2019/dsa-4455Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.htmlMailing List, Third Party Advisory
- http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.htmlPatch, Vendor Advisory
- https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cfPatch, Third Party Advisory
- https://github.com/heimdal/heimdal/compare/3e58559...bbafe72Patch, Third Party Advisory
- https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0Third Party Advisory
- https://seclists.org/bugtraq/2019/Jun/1Mailing List, Third Party Advisory
- https://www.debian.org/security/2019/dsa-4455Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-12098?
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.
How severe is CVE-2019-12098?
CVE-2019-12098 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 1.98% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12098?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-12098?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST