Slackware Linux update for ntp
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2016-1549 CVE-2018-7182 CVE-2018-7170 CVE-2018-7184 CVE-2018-7185 |
| CWE-ID | CWE-264 CWE-200 CWE-20 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
Slackware Linux Operating systems & Components / Operating system |
| Vendor | Slackware |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Security restrictions bypass
EUVDB-ID: #VU10806
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-1549
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 weakness exists due to insufficient security restrictions. A remote attacker can create multiple crafted ephemeral associations to bypass security restrictions and modify the clock.
Update the affected package ntp.
Vulnerable software versionsSlackware Linux: 14.0 - 14.2
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.511203
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.
2) Information disclosure
EUVDB-ID: #VU10798
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-7182
CWE-ID:
CWE-200 - Information exposure
Exploit availability: Yes
DescriptionThe vulnerability allows a remote unautheticated attacker to obtain potentially sensitive information.
The weakness exists due to insufficient validation user-supplied input. A remote attacker can submit a specially crafted mode 6 packet and gain access to potentially sensitive information.
MitigationUpdate the affected package ntp.
Vulnerable software versionsSlackware Linux: 14.0 - 14.2
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.511203
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.
3) Security restrictions bypass
EUVDB-ID: #VU10801
Risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-7170
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.
The weakness exists due to insufficient security restrictions. A remote attacker can create multiple crafted ephemeral associations to bypass security restrictions and modify the clock.
Update the affected package ntp.
Vulnerable software versionsSlackware Linux: 14.0 - 14.2
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.511203
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Denial of service
EUVDB-ID: #VU10799
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-7184
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to insufficient security restrictions. A remote attacker can cause interleaved symmetric mode to crash.
Update the affected package ntp.
Vulnerable software versionsSlackware Linux: 14.0 - 14.2
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.511203
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Improper input validation
EUVDB-ID: #VU10803
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-7185
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The weakness exists due to insufficient validation of user-supplied input. A remote attacker can submit continuous crafted packets and cause the service to crash.
Update the affected package ntp.
Vulnerable software versionsSlackware Linux: 14.0 - 14.2
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.511203
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
