Vulnerability Name:

CVE-2019-12098 (CCN-161158)

Assigned:2019-05-15
Published:2019-05-15
Updated:2022-04-22
Summary: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 v3 Severity:7.4 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
6.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
3.7 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.2 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
2.6 Low (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-12098

Source: SUSE
Type: Mailing List, Third Party Advisory
openSUSE-SU-2019:1682

Source: SUSE
Type: Mailing List, Third Party Advisory
openSUSE-SU-2019:1688

Source: SUSE
Type: Mailing List, Third Party Advisory
openSUSE-SU-2019:1888

Source: CONFIRM
Type: Patch, Vendor Advisory
http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html

Source: XF
Type: UNKNOWN
heimdal-cve201912098-mitm(161158)

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/heimdal/heimdal/compare/3e58559...bbafe72

Source: CCN
Type: Heimdal GIT Repository
Heimdal 7.6.0 - Security Release

Source: MISC
Type: Third Party Advisory
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2019-f3046b6bfb

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2019-2fa7d6405b

Source: BUGTRAQ
Type: Mailing List, Third Party Advisory
20190603 [SECURITY] [DSA 4455-1] heimdal security update

Source: DEBIAN
Type: Third Party Advisory
DSA-4455

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-12098

Vulnerable Configuration:Configuration 1:
  • cpe:/a:heimdal_project:heimdal:*:*:*:*:*:*:*:* (Version < 7.6.0)

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:31:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
  • OR cpe:/a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
  • OR cpe:/o:opensuse:leap:15.0:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:leap:42.3:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:heimdal_project:heimdal:7.5.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201912098
    V
    CVE-2019-12098
    2022-06-30
    oval:org.opensuse.security:def:112644
    P
    libheimdal-7.7.0-1.11 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:93437
    P
    (Important)
    2021-12-22
    oval:org.opensuse.security:def:106125
    P
    libheimdal-7.7.0-1.11 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:63379
    P
    subversion-server-1.10.6-3.15.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:62357
    P
    xorg-x11-server-1.20.3-22.5.30.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62333
    P
    supportutils-3.1.15-1.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62813
    P
    libsrt1-1.3.4-1.45 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62334
    P
    sysstat-12.0.2-3.27.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:63015
    P
    jackson-databind-2.10.5.1-3.3.2 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:74268
    P
    Security update for openssh (Moderate)
    2020-12-09
    oval:org.opensuse.security:def:63153
    P
    gtk-vnc-devel-0.7.2-1.33 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62534
    P
    libQt5OpenGLExtensions-devel-static-5.9.7-11.11 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:63840
    P
    Security update for libxml2 (Low)
    2020-12-01
    oval:org.opensuse.security:def:64202
    P
    ruby2.5-rubygem-rails-html-sanitizer on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:63946
    P
    Security update for ruby2.1 (Important)
    2020-12-01
    oval:org.opensuse.security:def:74142
    P
    Security update for postgresql12 (Important)
    2020-12-01
    oval:org.opensuse.security:def:64048
    P
    Security update for webkit2gtk3 (Important)
    2020-12-01
    oval:org.opensuse.security:def:63706
    P
    Security update for webkit2gtk3 (Important)
    2020-12-01
    oval:org.opensuse.security:def:64090
    P
    Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:100150
    P
    Security update for libheimdal (Moderate)
    2019-08-14
    oval:org.opensuse.security:def:109892
    P
    Security update for libheimdal (Moderate)
    2019-07-01
    oval:com.ubuntu.cosmic:def:2019120980000000
    V
    CVE-2019-12098 on Ubuntu 18.10 (cosmic) - low.
    2019-05-15
    oval:com.ubuntu.disco:def:2019120980000000
    V
    CVE-2019-12098 on Ubuntu 19.04 (disco) - low.
    2019-05-15
    oval:com.ubuntu.bionic:def:2019120980000000
    V
    CVE-2019-12098 on Ubuntu 18.04 LTS (bionic) - low.
    2019-05-15
    oval:com.ubuntu.xenial:def:2019120980000000
    V
    CVE-2019-12098 on Ubuntu 16.04 LTS (xenial) - low.
    2019-05-15
    BACK
    heimdal_project heimdal *
    fedoraproject fedora 30
    fedoraproject fedora 31
    opensuse backports sle 15.0 -
    opensuse backports sle 15.0 sp1
    opensuse leap 15.0
    opensuse leap 15.1
    opensuse leap 42.3
    debian debian linux 9.0
    heimdal_project heimdal 7.5.0