VulnerabilityModified
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.
HIGH 7.4EPSS 1.97%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 1.97% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- heimdal project/heimdal · fedoraproject/fedora · opensuse/backports sle · opensuse/leap · debian/debian linux
- Source
- cve@mitre.org
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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/
- 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/
- https://seclists.org/bugtraq/2019/Jun/1Mailing List, Third Party Advisory
- https://www.debian.org/security/2019/dsa-4455Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.