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Vulnerability Details : CVE-2018-1121

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.
Publish Date : 2018-06-13 Last Update Date : 2018-10-21
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 362

- Products Affected By CVE-2018-1121

# Product Type Vendor Product Version Update Edition Language
1 Application Procps Project Procps 3.3.15 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Procps Project Procps 1

- References For CVE-2018-1121

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1121 CONFIRM
https://www.exploit-db.com/exploits/44806/
EXPLOIT-DB 44806
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt
https://security.gentoo.org/glsa/201805-14
GENTOO GLSA-201805-14
http://seclists.org/oss-sec/2018/q2/122
MLIST [oss-security] 20180517 Qualys Security Advisory - Procps-ng Audit Report
http://www.securityfocus.com/bid/104214
BID 104214 Procps-ng Procps Multiple Security Vulnerabilities Release Date:2018-05-17

- Metasploit Modules Related To CVE-2018-1121

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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