// For flags

CVE-2014-5030

cups: allows local users to read arbitrary files via a symlink attack

Severity Score

5.4
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

CUPS before 2.0 allows local users to read arbitrary files via a symlink attack on (1) index.html, (2) index.class, (3) index.pl, (4) index.php, (5) index.pyc, or (6) index.py.

CUPS anterior a 2.0 permite a usuarios locales leer ficheros arbitrarios a través de un ataque de enlace simbólico sobre (1) index.html, (2) index.class, (3) index.pl, (4) index.php, (5) index.pyc o (6) index.py.

It was discovered that CUPS allowed certain users to create symbolic links in certain directories under /var/cache/cups/. A local user with the 'lp' group privileges could use this flaw to read the contents of arbitrary files on the system or, potentially, escalate their privileges on the system.

Cross-site scripting vulnerability in scheduler/client.c in Common Unix Printing System before 1.7.2 allows remote attackers to inject arbitrary web script or HTML via the URL path, related to the is_path_absolute function. In CUPS before 1.7.4, a local user with privileges of group=lp can write symbolic links in the rss directory and use that to gain '@SYSTEM' group privilege with cupsd. It was discovered that the web interface in CUPS incorrectly validated permissions on rss files and directory index files. A local attacker could possibly use this issue to bypass file permissions and read arbitrary files, possibly leading to a privilege escalation. A malformed file with an invalid page header and compressed raster data can trigger a buffer overflow in cupsRasterReadPixels.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Medium
Authentication
Single
Confidentiality
Complete
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2014-07-22 CVE Reserved
  • 2014-07-28 CVE Published
  • 2024-08-06 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
10.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "10.04"
lts
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
lts
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Apple
Search vendor "Apple"
Cups
Search vendor "Apple" for product "Cups"
<= 1.7.4
Search vendor "Apple" for product "Cups" and version " <= 1.7.4"
-
Affected
Apple
Search vendor "Apple"
Cups
Search vendor "Apple" for product "Cups"
1.7
Search vendor "Apple" for product "Cups" and version "1.7"
rc1
Affected
Apple
Search vendor "Apple"
Cups
Search vendor "Apple" for product "Cups"
1.7.0
Search vendor "Apple" for product "Cups" and version "1.7.0"
-
Affected
Apple
Search vendor "Apple"
Cups
Search vendor "Apple" for product "Cups"
1.7.1
Search vendor "Apple" for product "Cups" and version "1.7.1"
-
Affected
Apple
Search vendor "Apple"
Cups
Search vendor "Apple" for product "Cups"
1.7.1
Search vendor "Apple" for product "Cups" and version "1.7.1"
b1
Affected
Apple
Search vendor "Apple"
Cups
Search vendor "Apple" for product "Cups"
1.7.2
Search vendor "Apple" for product "Cups" and version "1.7.2"
-
Affected
Apple
Search vendor "Apple"
Cups
Search vendor "Apple" for product "Cups"
1.7.3
Search vendor "Apple" for product "Cups" and version "1.7.3"
-
Affected