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CVE-2018-4181

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with...

5.5 MediumFix available

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.45%Up 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Record
CVE-2018-4181
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
4.9 MediumAV:L/AC:L/Au:N/C:C/I:N/A:N
Updated
2026-11-02
CVE List No score

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Record
CVE-2018-4181
Updated
2026-11-02
EUVDEUVD-2018-15967 No score

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Record
EUVD-2018-15967
Updated
2026-11-03
GitHub AdvisoriesGHSA-4pfp-mmjh-x8v9 5.5

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with...

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Record
GHSA-4pfp-mmjh-x8v9
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSV 5.5

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Record
CVE-2018-4181
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2018-4181 5.5

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Record
DEBIAN-CVE-2018-4181
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
Show 6 moreShow less
OSVRHSA-2020:1050 7.3

Red Hat Security Advisory: cups security and bug fix update

Record
RHSA-2020:1050
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2018-4181 5.5

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Record
UBUNTU-CVE-2018-4181
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVSUSE-SU-2018:2162-1 No score

Security update for cups

This update for cups fixes the following issues:

The following security vulnerabilities were fixed:

  • CVE-2017-18248: Handle invalid characters properly in printing jobs. This fixes a problem that was causing the DBUS library to abort the calling process. (bsc#1061066 bsc#1087018)
  • Fixed a local privilege escalation to root and sandbox bypasses in the scheduler
  • CVE-2018-4180: Fixed a local privilege escalation to root in dnssd backend (bsc#1096405)
  • CVE-2018-4181: Limited local file reads as root via cupsd.conf include directive (bsc#1096406)
  • CVE-2018-4182: Fixed a sandbox bypass due to insecure error handling (bsc#1096407)
  • CVE-2018-4183: Fixed a sandbox bypass due to profile misconfiguration (bsc#1096408)

The following other issue was fixed:

  • Fixed authorization check for clients (like samba) connected through the local socket when Kerberos authentication is enabled (bsc#1050082)
Record
SUSE-SU-2018:2162-1
Updated
2026-11-02
OSVSUSE-SU-2018:2172-1 No score

Security update for cups

This update for cups fixes the following issues:

The following security vulnerabilities were fixed:

  • Fixed a local privilege escalation to root and sandbox bypasses in the scheduler
  • CVE-2018-4180: Fixed a local privilege escalation to root in dnssd backend (bsc#1096405)
  • CVE-2018-4181: Limited local file reads as root via cupsd.conf include directive (bsc#1096406)
  • CVE-2018-4182: Fixed a sandbox bypass due to insecure error handling (bsc#1096407)
  • CVE-2018-4183: Fixed a sandbox bypass due to profile misconfiguration (bsc#1096408)
Record
SUSE-SU-2018:2172-1
Updated
2026-11-02
OSVSUSE-SU-2018:2233-1 No score

Security update for cups

This update for cups fixes the following issues:

Security issues fixed:

  • CVE-2018-4180: Fix local privilege escalation to root in dnssd backend (bsc#1096405).
  • CVE-2018-4181: Limited local file reads as root via cupsd.conf include directive (bsc#1096406).
  • CVE-2018-4182: Fix cups-exec sandbox bypass due to insecure error handling (bsc#1096407).
  • CVE-2018-4183: Fix cups-exec sandbox bypass due to profile misconfiguration (bsc#1096408).
Record
SUSE-SU-2018:2233-1
Updated
2026-11-02
OSVUSN-3713-1 No score

cups vulnerabilities

It was discovered that CUPS incorrectly handled certain print jobs with invalid usernames. A remote attacker could possibly use this issue to cause CUPS to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 17.10 and Ubuntu 18.04 LTS. (CVE-2017-18248)

Dan Bastone discovered that the CUPS dnssd backend incorrectly handled certain environment variables. A local attacker could possibly use this issue to escalate privileges. (CVE-2018-4180)

Eric Rafaloff and John Dunlap discovered that CUPS incorrectly handled certain include directives. A local attacker could possibly use this issue to read arbitrary files. (CVE-2018-4181)

Dan Bastone discovered that the CUPS AppArmor profile incorrectly confined the dnssd backend. A local attacker could possibly use this issue to escape confinement. (CVE-2018-6553)

Record
USN-3713-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
cups
Debian:12
 before 2.2.8-2
2.2.8-2
cups
Debian:13
 before 2.2.8-2
2.2.8-2
cups
Debian:14
 before 2.2.8-2
2.2.8-2
cups
Debian:8
From an advisory covering 3 CVEs
 before 1.7.5-11+deb8u4, plus listed versions
1.7.5-111.7.5-11+deb8u11.7.5-11+deb8u21.7.5-11+deb8u3
1.7.5-11+deb8u4
cups
Debian:9
From an advisory covering 4 CVEs
 before 2.2.1-8+deb9u2, plus listed versions
2.2.1-82.2.1-8+deb9u12.2.1-8+deb9u1~bpo8+1
2.2.1-8+deb9u2
cups
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-client
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-debuginfo
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-filesystem
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-libs
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
Show 43 moreShow less
Affected packages
PackageAffectedFixed
cups-lpd
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-devel
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-ipptool
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-client
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-debuginfo
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-filesystem
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-libs
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-lpd
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-devel
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-ipptool
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-client
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-debuginfo
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-devel
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-filesystem
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-libs
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-lpd
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-ipptool
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-client
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-debuginfo
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-devel
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-filesystem
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-libs
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-lpd
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups-ipptool
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 1:1.6.3-43.el7
1:1.6.3-43.el7
cups
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 5 CVEs
 before 1.7.5-20.14.1
1.7.5-20.14.1
cups
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 5 CVEs
 before 1.7.5-20.14.1
1.7.5-20.14.1
cups
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 5 CVEs
 before 1.7.5-20.14.1
1.7.5-20.14.1
cups
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 5 CVEs
 before 1.7.5-20.14.1
1.7.5-20.14.1
cups
SUSE:Linux Enterprise Module for Basesystem 15
From an advisory covering 4 CVEs
 before 2.2.7-3.3.1
2.2.7-3.3.1
cups
SUSE:Linux Enterprise Module for Desktop Applications 15
From an advisory covering 4 CVEs
 before 2.2.7-3.3.1
2.2.7-3.3.1
cups
SUSE:Linux Enterprise Module for Development Tools 15
From an advisory covering 4 CVEs
 before 2.2.7-3.3.1
2.2.7-3.3.1
cups
SUSE:Linux Enterprise Software Development Kit 11 SP4
From an advisory covering 4 CVEs
 before 1.3.9-8.46.56.3.1
1.3.9-8.46.56.3.1
cups
SUSE:Linux Enterprise Server 11 SP4
From an advisory covering 4 CVEs
 before 1.3.9-8.46.56.3.1
1.3.9-8.46.56.3.1
cups
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
From an advisory covering 4 CVEs
 before 1.3.9-8.46.56.3.1
1.3.9-8.46.56.3.1
cups
Ubuntu:14.04:LTS
 before 1.7.2-0ubuntu1.10, plus listed versions
1.7.0~rc1-0ubuntu51.7.0-0ubuntu21.7.0-0ubuntu31.7.0-11.7.0-2
Show 24 moreShow less
1.7.1-11.7.1-21.7.1-2git11.7.1-31.7.1-41.7.1-4ubuntu11.7.1-5ubuntu11.7.1-5ubuntu31.7.1-5ubuntu41.7.1-5ubuntu51.7.1-5ubuntu61.7.1-5ubuntu71.7.1-5ubuntu81.7.1-5ubuntu91.7.1-5ubuntu101.7.2-0ubuntu11.7.2-0ubuntu1.11.7.2-0ubuntu1.21.7.2-0ubuntu1.41.7.2-0ubuntu1.51.7.2-0ubuntu1.61.7.2-0ubuntu1.71.7.2-0ubuntu1.81.7.2-0ubuntu1.9
1.7.2-0ubuntu1.10
cups
Ubuntu:16.04:LTS
 before 2.1.3-4ubuntu0.5, plus listed versions
2.1.0-4ubuntu32.1.0-52.1.0-62.1.0-6ubuntu12.1.0-7
Show 9 moreShow less
2.1.2-12.1.2-22.1.3-12.1.3-1build12.1.3-32.1.3-42.1.3-4ubuntu0.22.1.3-4ubuntu0.32.1.3-4ubuntu0.4
2.1.3-4ubuntu0.5
cups
Ubuntu:18.04:LTS
 before 2.2.7-1ubuntu2.1, plus listed versions
2.2.4-7ubuntu22.2.5-22.2.6-22.2.6-32.2.6-42.2.6-52.2.7-1ubuntu12.2.7-1ubuntu2
2.2.7-1ubuntu2.1
cups
Ubuntu:14.04:LTS
From an advisory covering 4 CVEs
 before 1.7.2-0ubuntu1.10, plus listed versions
1.7.0~rc1-0ubuntu51.7.0-0ubuntu21.7.0-0ubuntu31.7.0-11.7.0-2
Show 24 moreShow less
1.7.1-11.7.1-21.7.1-2git11.7.1-31.7.1-41.7.1-4ubuntu11.7.1-5ubuntu11.7.1-5ubuntu31.7.1-5ubuntu41.7.1-5ubuntu51.7.1-5ubuntu61.7.1-5ubuntu71.7.1-5ubuntu81.7.1-5ubuntu91.7.1-5ubuntu101.7.2-0ubuntu11.7.2-0ubuntu1.11.7.2-0ubuntu1.21.7.2-0ubuntu1.41.7.2-0ubuntu1.51.7.2-0ubuntu1.61.7.2-0ubuntu1.71.7.2-0ubuntu1.81.7.2-0ubuntu1.9
1.7.2-0ubuntu1.10
cups
Ubuntu:16.04:LTS
From an advisory covering 4 CVEs
 before 2.1.3-4ubuntu0.5, plus listed versions
2.1.0-4ubuntu32.1.0-52.1.0-62.1.0-6ubuntu12.1.0-7
Show 9 moreShow less
2.1.2-12.1.2-22.1.3-12.1.3-1build12.1.3-32.1.3-42.1.3-4ubuntu0.22.1.3-4ubuntu0.32.1.3-4ubuntu0.4
2.1.3-4ubuntu0.5
cups
Ubuntu:18.04:LTS
From an advisory covering 4 CVEs
 before 2.2.7-1ubuntu2.1, plus listed versions
2.2.4-7ubuntu22.2.5-22.2.6-22.2.6-32.2.6-42.2.6-52.2.7-1ubuntu12.2.7-1ubuntu2
2.2.7-1ubuntu2.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-4181 is a medium vulnerability (CVSS 5.5) in Apple Mac Os X, published July 11, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. Fixed in cups 2.2.8-2.

References

Show 41 moreShow less
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