Slackware Linux update for ntp
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2013-5211 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software |
Slackware Linux Operating systems & Components / Operating system |
| Vendor | Slackware |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Denial of service
EUVDB-ID: #VU4013
Risk: High
CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]
CVE-ID: CVE-2013-5211
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to cause DoS conditions on the target system.
The weakness exists due to an error in the monlist feature in ntp_request.c. By sending a specially crafted REQ_MON_GETLIST or REQ_MON_GETLIST_1 request, a remote attacker can consume available CPU resources and cause the server to crash.
Successful exploitation of the vulnerability results in denial of service on the vulnerable system.
Note: the vulnerability was being actively exploited.
Update the affected package ntp.
Vulnerable software versionsSlackware Linux: 13.0 - 14.1
CPE2.3- cpe:2.3:o:slackware:slackware_linux:13.0:*:*:*:*:*:*:*
- cpe:2.3:o:slackware:slackware_linux:13.1:*:*:*:*:*:*:*
- cpe:2.3:o:slackware:slackware_linux:13.37:*:*:*:*:*:*:*
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, a fully functional exploit for this vulnerability is available.
