CVE-2019-12098
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
6.9 Medium
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
73.5%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| heimdal_project:heimdal | heimdal project heimdal | lt | 7.6.0 |
References
lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html
lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html
lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html
github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf
github.com/heimdal/heimdal/compare/3e58559...bbafe72
github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/
seclists.org/bugtraq/2019/Jun/1
www.debian.org/security/2019/dsa-4455
Related
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
6.9 Medium
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
73.5%