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Vulnerability details: VCID-eehn-r62r-aaah
Vulnerability ID VCID-eehn-r62r-aaah
Aliases CVE-2018-6553
Summary The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. A local attacker could possibly use this issue to escape confinement. This flaw affects versions prior to 2.2.7-1ubuntu2.1 in Ubuntu 18.04 LTS, prior to 2.2.4-7ubuntu3.1 in Ubuntu 17.10, prior to 2.1.3-4ubuntu0.5 in Ubuntu 16.04 LTS, and prior to 1.7.2-0ubuntu1.10 in Ubuntu 14.04 LTS.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-270 Privilege Context Switching Error
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-6553.html
cvssv3 7.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6553.json
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
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epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
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epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
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epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
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epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
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epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
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epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2018-6553
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1607285
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15400
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4180
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4181
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6553
cvssv2 4.6 https://nvd.nist.gov/vuln/detail/CVE-2018-6553
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-6553
generic_textual Medium https://ubuntu.com/security/notices/USN-3713-1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-6553.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6553.json
https://api.first.org/data/v1/epss?cve=CVE-2018-6553
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15400
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4180
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4181
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6553
https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html
https://security.gentoo.org/glsa/201908-08
https://ubuntu.com/security/notices/USN-3713-1
https://usn.ubuntu.com/usn/usn-3713-1
https://www.debian.org/security/2018/dsa-4243
1607285 https://bugzilla.redhat.com/show_bug.cgi?id=1607285
903605 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=903605
cpe:2.3:a:cups:cups:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:cups:cups:-:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2018-6553 https://nvd.nist.gov/vuln/detail/CVE-2018-6553
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6553.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-6553
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-6553
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.05128
EPSS Score 0.00042
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.