Vulnerability Name:

CVE-2014-7271 (CCN-98421)

Assigned:2014-10-30
Published:2014-10-30
Updated:2018-03-27
Summary:Simple Desktop Display Manager (SDDM) before 0.10.0 allows local users to log in as user "sddm" without authentication.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Exploitability Metrics:Attack Vector (AV): Local
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:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-306
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2014-7271

Source: FEDORA
Type: Release Notes, Third Party Advisory
FEDORA-2014-12308

Source: FEDORA
Type: Issue Tracking, Third Party Advisory
FEDORA-2014-12442

Source: MLIST
Type: Issue Tracking, Mailing List
[oss-security] 20141006 Re: various sddm vulnerabilities

Source: BID
Type: Third Party Advisory, VDB Entry
70767

Source: CCN
Type: BID-70767
SDDM CVE-2014-7271 Local Authentication Bypass Vulnerability

Source: CCN
Type: Red Hat Bugzilla Bug 1149608
(CVE-2014-7271) CVE-2014-7271 sddm: user "sddm" can login without authentication

Source: CONFIRM
Type: Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1149608

Source: XF
Type: Third Party Advisory, VDB Entry
sddm-cve20147271-sec-bypass(98421)

Source: XF
Type: UNKNOWN
sddm-cve20147271-sec-bypass(98421)

Source: CCN
Type: SDDM GIT Repository
Never try to login as the user SDDM #279

Source: CONFIRM
Type: Patch
https://github.com/sddm/sddm/pull/279/files

Source: CONFIRM
Type: Release Notes
https://github.com/sddm/sddm/wiki/0.10.0-Release-Announcement

Vulnerable Configuration:Configuration 1:
  • cpe:/a:sddm_project:sddm:*:*:*:*:*:*:*:* (Version < 0.10.0)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:20:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:21:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:sddm:sddm:0.12.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20147271
    V
    		CVE-2014-7271
    2022-06-30
    oval:org.opensuse.security:def:360
    P
    		sddm-0.19.0-lp154.3.6 on GA media (Moderate)
    2022-06-10
    oval:org.opensuse.security:def:113431
    P
    		sddm-0.14.0-2.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106832
    P
    		sddm-0.14.0-2.1 on GA media (Moderate)
    2021-10-01
    BACK
    sddm_project sddm *
    fedoraproject fedora 20
    fedoraproject fedora 21
    sddm sddm 0.12.0