Vulnerability Details : CVE-2018-17977
The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTO_AH packets, and IPPROTO_IP packets, which allows local users to cause a denial of service (memory consumption and system hang) by leveraging root access to execute crafted applications, as demonstrated on CentOS 7.
Vulnerability category: Denial of service
Products affected by CVE-2018-17977
- cpe:2.3:o:linux:linux_kernel:4.14.67:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-17977
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-17977
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
NIST |
CWE ids for CVE-2018-17977
-
The product does not properly control the allocation and maintenance of a limited resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-17977
-
http://www.securityfocus.com/bid/105539
Linux Kernel CVE-2018-17977 Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://www.openwall.com/lists/oss-security/2018/10/05/5
oss-security - CVE-2018-17977: CentOS ipsec remote denial of service vulnerabilityMailing List;Third Party Advisory
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