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CVE-2018-1122

33
FAUCET Score

CVE-2018-1122 describes a local privilege escalation vulnerability in procps-ng versions prior to 3.3.15, specifically within the 'top' utility. This flaw affects various Linux distributions including Canonical Ubuntu and Debian, allowing an attacker to gain elevated privileges if a user executes 'top' with the HOME environment variable unset in a malicious directory. The vulnerability has a CVSSv3 score of 7.0 (HIGH), indicating a high impact on confidentiality, integrity, and availability, with a low attack complexity requiring local access and low privileges. While there is no evidence of active exploitation or Metasploit/Nuclei modules, an ExploitDB entry (EDB-44806) exists, and there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.3.15CPE matchmatch criteria
cpe:2.3:a:procps-ng_project:procps-ng:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
17.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.3HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.3
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.30%
Probability of exploitation in next 30 days
EPSS Percentile
67.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-44806 · May 30, 2018
This CVE's current EPSS score of 0.0130 is in the 93rd percentile among its peer group of 1,516 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.4 for RHEL 7Fixed in: ansible-tower-34/ansible-tower-memcached:1.4.15-28
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.4 for RHEL 7Fixed in: ansible-tower-35/ansible-tower-memcached:1.4.15-28
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.4 for RHEL 7Fixed in: ansible-tower-37/ansible-tower-memcached-rhel7:1.4.15-28
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: procps-ng-0:3.3.10-26.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Advanced Update SupportFixed in: procps-ng-0:3.3.10-16.el7_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Telco Extended Update SupportFixed in: procps-ng-0:3.3.10-16.el7_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Update Services for SAP SolutionsFixed in: procps-ng-0:3.3.10-16.el7_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.5 Extended Update SupportFixed in: procps-ng-0:3.3.10-17.el7_5.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.6 Extended Update SupportFixed in: procps-ng-0:3.3.10-23.el7_6.2
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: procps
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: procps

Vendor Advisories (1)

redhatCVE-2018-1122Moderate

procps: Local privilege escalation in top

May 17, 2018

References

lists.opensuse.org / opensuse-security-announce/2019-10/msg00058.html
lists.opensuse.org / opensuse-security-announce/2019-10/msg00059.html
access.redhat.com / errata/RHSA-2019:2189
access.redhat.com / errata/RHSA-2020:0595
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
seclists.org / oss-sec/2018/q2/122
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/05/msg00021.html
Third Party Advisory
security.gentoo.org / glsa/201805-14
Third Party Advisory
usn.ubuntu.com / 3658-1
Third Party Advisory
usn.ubuntu.com / 3658-3
Third Party Advisory
debian.org / security/2018/dsa-4208
Third Party Advisory
exploit-db.com / exploits/44806
ExploitThird Party AdvisoryVDB Entry
qualys.com / 2018/05/17/procps-ng-audit-report-advisory.txt
ExploitThird Party Advisory
securityfocus.com / bid/104214
Third Party AdvisoryVDB Entry