CVE-2018-1121 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
procps-ng, procps is vulnerable to a process hiding through race condition. Since the kernel's proc_pid_readdir() returns PID entries in ascending numeric order, a process occupying a high PID can use inotify events to determine when the process list is being scanned, and fork/exec to obtain a lower PID, thus avoiding enumeration. An unprivileged attacker can hide a process from procps-ng's utilities by exploiting a race condition in reading /proc/PID entries. This vulnerability affects procps and procps-ng up to version 3.3.15, newer versions might be affected also.
Source:
MITRE
Description Last Modified:
06/13/2018
View Analysis Description
Analysis Description
procps-ng, procps is vulnerable to a process hiding through race condition. Since the kernel's proc_pid_readdir() returns PID entries in ascending numeric order, a process occupying a high PID can use inotify events to determine when the process list is being scanned, and fork/exec to obtain a lower PID, thus avoiding enumeration. An unprivileged attacker can hide a process from procps-ng's utilities by exploiting a race condition in reading /proc/PID entries. This vulnerability affects procps and procps-ng up to version 3.3.15, newer versions might be affected also.
Source:
MITRE
Description Last Modified:
06/13/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
5.9 MEDIUM
Vector:
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
(V3 legend)
Impact Score:
3.6
Exploitability Score:
2.2
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None
CVSS v2.0 Severity and Metrics:
Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
Partial
Availability (A):
None
Additional Information:
Allows unauthorized modification
References to Advisories, Solutions, and Tools
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Change History
3 change records found
- show changes
CVE Modified by MITRE -
10/21/2018 6:29:21 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.gentoo.org/glsa/201805-14 [No Types Assigned] |
Initial Analysis -
8/10/2018 12:56:57 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:procps__project:procps:*:*:*:*:*:*:*:* versions up to (including) 3.3.15 |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:N/I:P/A:N) |
| Added |
CVSS V3 |
|
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| Added |
CWE |
|
CWE-362 |
| Changed |
Reference Type |
http://seclists.org/oss-sec/2018/q2/122 No Types Assigned |
http://seclists.org/oss-sec/2018/q2/122 Exploit, Mailing List, Third Party Advisory |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/104214 No Types Assigned |
http://www.securityfocus.com/bid/104214 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1121 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1121 Issue Tracking, Third Party Advisory |
| Changed |
Reference Type |
https://www.exploit-db.com/exploits/44806/ No Types Assigned |
https://www.exploit-db.com/exploits/44806/ Exploit, Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt No Types Assigned |
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt Exploit, Third Party Advisory |
CVE Modified by MITRE -
6/14/2018 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/104214 [No Types Assigned] |
| Added |
Reference |
|
https://www.exploit-db.com/exploits/44806/ [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2018-1121
NVD Published Date:
06/13/2018
NVD Last Modified:
10/21/2018
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