Debian LTS Advisory ([SECURITY] [DLA 1426-1] cups security update)

Published: 2018-07-15 22:00:00
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:L/AC:L/Au:N/C:C/I:N/A:N

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

Affected Versions:
cups on Debian Linux

Recommendations:
For Debian 8 'Jessie', these problems have been fixed in version 1.7.5-11+deb8u4. We recommend that you upgrade your cups Linux Distribution Packages.

Summary:
Several vulnerabilities were discovered in CUPS, the Common UNIX Printing System. These issues have been identified with the following CVE ids: CVE-2018-4180 Dan Bastone of Gotham Digital Science discovered that a local attacker with access to cupsctl could escalate privileges by setting an environment variable. CVE-2018-4181 Eric Rafaloff and John Dunlap of Gotham Digital Science discovered that a local attacker can perform limited reads of arbitrary files as root by manipulating cupsd.conf. CVE-2018-6553 Dan Bastone of Gotham Digital Science discovered that an attacker can bypass the AppArmor cupsd sandbox by invoking the dnssd backend using an alternate name that has been hard linked to dnssd.

Detection Method:
This check tests the installed software version using the apt Linux Distribution Package manager.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2018-4180
https://nvd.nist.gov/vuln/detail/CVE-2018-4181
https://nvd.nist.gov/vuln/detail/CVE-2018-6553

References:

https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html

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Severity
Medium
CVSS Score
4.9

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