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TI-2018-01039 Aliases CVE-2018-1122GHSA-mphr-mvhq-p32f

procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top.

Priority LOW 35CWE-829Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 25 fixed, 2 without a fix

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-829.

Summary

procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top. If a user runs top with HOME unset in an attacker-controlled directory, the attacker could achieve privilege escalation by exploiting one of several vulnerabilities in the config_file() function.

Why it matters now

EPSS 0.01249 69th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 25 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
[UNKNOWN]procps-ng, procpsprocps-ng 3.3.15—No fix listedCNA
  • procps-ng, procps Vendor[UNKNOWN] Affected procps-ng 3.3.15 Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:procps-ng_project:procps-ng:*:*:*:*:*:*:*:*before 3.3.15VulnerableProcps-ng Project
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*17.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:procps-ng_project:procps-ng:*:*:*:*:*:*:*:* Versions before 3.3.15 Vulnerable ·Procps-ng Project
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

Red Hat 4 advisories

  • RHSA-2020:1464 Released 2020-04-14 · Red Hat rating Moderate
    procps-ng security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) procps-ng-3.3.10-23.el7_6.2
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) procps-ng-devel-3.3.10-23.el7_6.2, procps-ng-i18n-3.3.10-23.el7_6.2
    • Red Hat Enterprise Linux Server EUS (v. 7.6) procps-ng-3.3.10-23.el7_6.2, procps-ng-3.3.10-23.el7_6.2.ppc
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.6) procps-ng-devel-3.3.10-23.el7_6.2, procps-ng-devel-3.3.10-23.el7_6.2.ppc, procps-ng-i18n-3.3.10-23.el7_6.2
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) procps-ng-3.3.10-23.el7_6.2
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) procps-ng-devel-3.3.10-23.el7_6.2, procps-ng-i18n-3.3.10-23.el7_6.2
  • RHSA-2020:1265 Released 2020-04-01 · Red Hat rating Moderate
    procps-ng security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) procps-ng-3.3.10-17.el7_5.4
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) procps-ng-devel-3.3.10-17.el7_5.4, procps-ng-i18n-3.3.10-17.el7_5.4
    • Red Hat Enterprise Linux Server EUS (v. 7.5) procps-ng-3.3.10-17.el7_5.4, procps-ng-3.3.10-17.el7_5.4.ppc
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.5) procps-ng-devel-3.3.10-17.el7_5.4, procps-ng-devel-3.3.10-17.el7_5.4.ppc, procps-ng-i18n-3.3.10-17.el7_5.4
  • RHSA-2020:0595 Released 2020-02-25 · Red Hat rating Moderate
    procps-ng security update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) procps-ng-3.3.10-16.el7_4.2
    • Red Hat Enterprise Linux Server E4S (v. 7.4) procps-ng-3.3.10-16.el7_4.2
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) procps-ng-devel-3.3.10-16.el7_4.2, procps-ng-i18n-3.3.10-16.el7_4.2
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.4) procps-ng-devel-3.3.10-16.el7_4.2, procps-ng-i18n-3.3.10-16.el7_4.2
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) procps-ng-devel-3.3.10-16.el7_4.2, procps-ng-i18n-3.3.10-16.el7_4.2
    • Red Hat Enterprise Linux Server TUS (v. 7.4) procps-ng-3.3.10-16.el7_4.2
Show 1 more Red Hat advisories
  • RHSA-2019:2189 Released 2019-08-06 · Red Hat rating Moderate
    procps-ng security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) procps-ng-3.3.10-26.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) procps-ng-devel-3.3.10-26.el7, procps-ng-i18n-3.3.10-26.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) procps-ng-3.3.10-26.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) procps-ng-devel-3.3.10-26.el7, procps-ng-i18n-3.3.10-26.el7
    • Red Hat Enterprise Linux Server (v. 7) procps-ng-3.3.10-26.el7, procps-ng-3.3.10-26.el7.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) procps-ng-devel-3.3.10-26.el7, procps-ng-devel-3.3.10-26.el7.ppc, procps-ng-i18n-3.3.10-26.el7
    • Red Hat Enterprise Linux Workstation (v. 7) procps-ng-3.3.10-26.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) procps-ng-devel-3.3.10-26.el7, procps-ng-i18n-3.3.10-26.el7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    [UNKNOWN] procps-ng, procps — openSUSE-SU-2019:2376

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01043 Integer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 45
    • TI-2018-01040 Heap-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 44
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    Show all 4 records → Advisory →
  • Advisory ·

    [UNKNOWN] procps-ng, procps — openSUSE-SU-2019:2379

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01043 Integer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 45
    • TI-2018-01040 Heap-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 44
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    Show all 4 records → Advisory →
Show 4 more groups
  • Advisory ·

    [UNKNOWN] procps-ng, procps — USN-3658-1

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01043 Integer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 45
    • TI-2018-01040 Heap-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 44
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    Show all 4 records → Advisory →
  • Advisory ·

    [UNKNOWN] procps-ng, procps — DSA-4208

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01043 Integer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 45
    • TI-2018-01040 Heap-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 44
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    Show all 4 records → Advisory →
  • Advisory ·

    [UNKNOWN] procps-ng, procps — USN-3658-3

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01040 Heap-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 44
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    Show all 3 records → Advisory →
  • Advisory ·

    [UNKNOWN] procps-ng, procps — GLSA-201805-14

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01040 Heap-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 44
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Ansible Tower 3.4 for RHEL 7 ServerFixed—
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:2189
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:2189
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:2189
Red Hat Enterprise Linux ComputeNode EUS (v. 7.5)Fixed RHSA-2020:1265
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6)Fixed RHSA-2020:1464
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:2189
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5)Fixed RHSA-2020:1265
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6)Fixed RHSA-2020:1464
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2189
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2020:0595
Red Hat Enterprise Linux Server E4S (v. 7.4)Fixed RHSA-2020:0595
Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2020:1265
Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2020:1464
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:2189
Red Hat Enterprise Linux Server Optional AUS (v. 7.4)Fixed RHSA-2020:0595
Red Hat Enterprise Linux Server Optional E4S (v. 7.4)Fixed RHSA-2020:0595
Red Hat Enterprise Linux Server Optional EUS (v. 7.5)Fixed RHSA-2020:1265
Red Hat Enterprise Linux Server Optional EUS (v. 7.6)Fixed RHSA-2020:1464
Red Hat Enterprise Linux Server Optional TUS (v. 7.4)Fixed RHSA-2020:0595
Red Hat Enterprise Linux Server TUS (v. 7.4)Fixed RHSA-2020:0595
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2189
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:2189
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2020:1464
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2020:1464
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1122
  2. 2026-10-03 Alias added: GHSA-mphr-mvhq-p32f

References

Exploit 2

Advisory 11

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences