Vulnerability Name:

CVE-2017-6594 (CCN-131075)

Assigned:2017-03-09
Published:2017-03-09
Updated:2021-08-12
Summary:The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-295
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2017-6594

Source: SUSE
Type: Third Party Advisory
openSUSE-SU-2017:2180

Source: CCN
Type: Heimdal Web site
Heimdal advisories

Source: CONFIRM
Type: Vendor Advisory
http://www.h5l.org/advisories.html?show=2017-04-13

Source: XF
Type: UNKNOWN
heimdal-cve20176594-sec-bypass(131075)

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.3.0

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-6594

Vulnerable Configuration:Configuration 1:
  • cpe:/a:heimdal_project:heimdal:*:*:*:*:*:*:*:* (Version <= 7.2.0)

    • Configuration 2:
  • cpe:/o:opensuse:leap:42.2:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:leap:42.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20176594
    V
    		CVE-2017-6594
    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:106125
    P
    		libheimdal-7.7.0-1.11 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.cosmic:def:201765940000000
    V
    		CVE-2017-6594 on Ubuntu 18.10 (cosmic) - low.
    2017-08-28
    oval:com.ubuntu.artful:def:20176594000
    V
    		CVE-2017-6594 on Ubuntu 17.10 (artful) - low.
    2017-08-28
    oval:com.ubuntu.trusty:def:20176594000
    V
    		CVE-2017-6594 on Ubuntu 14.04 LTS (trusty) - low.
    2017-08-28
    oval:com.ubuntu.bionic:def:201765940000000
    V
    		CVE-2017-6594 on Ubuntu 18.04 LTS (bionic) - low.
    2017-08-28
    oval:com.ubuntu.bionic:def:20176594000
    V
    		CVE-2017-6594 on Ubuntu 18.04 LTS (bionic) - low.
    2017-08-28
    oval:com.ubuntu.xenial:def:20176594000
    V
    		CVE-2017-6594 on Ubuntu 16.04 LTS (xenial) - low.
    2017-08-28
    oval:com.ubuntu.xenial:def:201765940000000
    V
    		CVE-2017-6594 on Ubuntu 16.04 LTS (xenial) - low.
    2017-08-28
    oval:com.ubuntu.cosmic:def:20176594000
    V
    		CVE-2017-6594 on Ubuntu 18.10 (cosmic) - low.
    2017-08-28
    oval:com.ubuntu.disco:def:201765940000000
    V
    		CVE-2017-6594 on Ubuntu 19.04 (disco) - low.
    2017-08-28
    oval:com.ubuntu.precise:def:20176594000
    V
    		CVE-2017-6594 on Ubuntu 12.04 LTS (precise) - low.
    2017-04-17
    BACK
    heimdal_project heimdal *
    opensuse leap 42.2
    opensuse leap 42.3