Vulnerability Monitor

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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.

Published

2019-05-15T23:29:00.277

Last Modified

2024-11-21T04:22:11.640

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.4 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	heimdal_project	heimdal	< 7.6.0	Yes
Operating System	fedoraproject	fedora	30	Yes
Operating System	fedoraproject	fedora	31	Yes
Application	opensuse	backports_sle	15.0	Yes
Application	opensuse	backports_sle	15.0	Yes
Operating System	opensuse	leap	15.0	Yes
Operating System	opensuse	leap	15.1	Yes
Operating System	opensuse	leap	42.3	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html Mailing List, Third Party Advisory ([email protected])
http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html Patch, Vendor Advisory ([email protected])
https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf Patch, Third Party Advisory ([email protected])
https://github.com/heimdal/heimdal/compare/3e58559...bbafe72 Patch, Third Party Advisory ([email protected])
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0 Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/ ([email protected])
https://seclists.org/bugtraq/2019/Jun/1 Mailing List, Third Party Advisory ([email protected])
https://www.debian.org/security/2019/dsa-4455 Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/heimdal/heimdal/compare/3e58559...bbafe72 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/ (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Jun/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2019/dsa-4455 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)