Vulnerability Name:

CVE-2017-1000082 (CCN-130225)

Assigned:2017-07-02
Published:2017-07-02
Updated:2022-01-31
Summary:systemd v233 and earlier fails to safely parse usernames starting with a numeric digit (e.g. "0day"), running the service in question with root privileges rather than the user intended.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.6 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
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): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.4 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-269
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2017-1000082

Source: CCN
Type: oss-sec Mailing List, Sun, 2 Jul 2017 09:08:48 +0000
systemd fails to parse user that should run service

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20170702 systemd fails to parse user that should run service

Source: BID
Type: Third Party Advisory, VDB Entry
99507

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1038839

Source: XF
Type: UNKNOWN
systemd-cve20171000082-priv-esc(130225)

Source: CCN
Type: systemd GIT Repository
systemd

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/systemd/systemd/issues/6237

Vulnerable Configuration:Configuration 1:
  • cpe:/a:systemd_project:systemd:*:*:*:*:*:*:*:* (Version <= 233)

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20171000082000
    V
    CVE-2017-1000082 on Ubuntu 17.10 (artful) - low.
    2017-07-07
    oval:com.ubuntu.trusty:def:20171000082000
    V
    CVE-2017-1000082 on Ubuntu 14.04 LTS (trusty) - low.
    2017-07-07
    oval:com.ubuntu.xenial:def:20171000082000
    V
    CVE-2017-1000082 on Ubuntu 16.04 LTS (xenial) - low.
    2017-07-07
    oval:com.ubuntu.xenial:def:201710000820000000
    V
    CVE-2017-1000082 on Ubuntu 16.04 LTS (xenial) - low.
    2017-07-07
    BACK
    systemd_project systemd *