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ubuntucveUbuntu.comUB:CVE-2019-12098
HistoryMay 15, 2019 - 12:00 a.m.

CVE-2019-12098

2019-05-1500:00:00
ubuntu.com
ubuntu.com
14

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

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.

Notes

Author Note
leosilva it fails with a FTBFS on certs tests. This issue is probably related: https://github.com/heimdal/heimdal/issues/533.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchheimdal< 7.5.0+dfsg-1ubuntu0.1UNKNOWN
ubuntu14.04noarchheimdal< 1.6~git20131207+dfsg-1ubuntu1.2+esm1UNKNOWN
ubuntu16.04noarchheimdal< 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1UNKNOWN

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

0.004 Low

EPSS

Percentile

73.5%