OpenSUSE Linux update for cups
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2017-18248 CVE-2018-4180 CVE-2018-4181 CVE-2018-4182 CVE-2018-4183 |
| CWE-ID | CWE-20 CWE-264 CWE-200 CWE-77 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Opensuse Operating systems & Components / Operating system |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Improper input validation
EUVDB-ID: #VU11303
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]
CVE-ID: CVE-2017-18248
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the add_job function due to insufficient validation of usernames. A remote attacker can send print jobs with an invalid username and cause the service to crash.
Update the affected packages.
Opensuse: 42.3
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-08/msg00022.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
2) Privilege escalation
EUVDB-ID: #VU13881
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-4180
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to unspecified flaw. A local attacker with access to cupsctl can set an environment variable and gain elevated privileges.
MitigationUpdate the affected packages.
Opensuse: 42.3
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-08/msg00022.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Information disclosure
EUVDB-ID: #VU13882
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-4181
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to obtain potentially sensitive information on the target system.
The vulnerability exists due to unspecified flaw. A local attacker can manipulate cupsd.conf and read arbitrary files with root privileges.
Update the affected packages.
Opensuse: 42.3
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-08/msg00022.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Security restrictions bypass
EUVDB-ID: #VU13883
Risk: Low
CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-4182
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to an error in CUPS' profile creation. A remote attacker with sandboxed root access can bypass security restrictions and execute backends without a sandbox profile.
MitigationUpdate the affected packages.
Opensuse: 42.3
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-08/msg00022.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Command injection
EUVDB-ID: #VU13884
Risk: Low
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-4183
CWE-ID:
CWE-77 - Command injection
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to command injection. A remote attacker with sandboxed root access can modify /etc/cups/cups-files.conf, inject and execute arbitrary commands as unsandboxed root.
MitigationUpdate the affected packages.
Opensuse: 42.3
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-08/msg00022.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
