Vulnerability Details : CVE-2017-13715
The __skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel before 4.3 does not ensure that n_proto, ip_proto, and thoff are initialized, which allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a single crafted MPLS packet.
Vulnerability category: Execute codeDenial of service
Products affected by CVE-2017-13715
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-13715
5.72%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-13715
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-13715
-
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-13715
-
http://seclists.org/oss-sec/2017/q3/345
oss-sec: Linux kernel: fixed bug in net/core/flow_dissector.cMailing List;Third Party Advisory
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https://github.com/torvalds/linux/commit/a6e544b0a88b53114bfa5a57e21b7be7a8dfc9d0
flow_dissector: Jump to exit code in __skb_flow_dissect · torvalds/linux@a6e544b · GitHubIssue Tracking;Patch;Third Party Advisory
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6e544b0a88b53114bfa5a57e21b7be7a8dfc9d0
kernel/git/torvalds/linux.git - Linux kernel source treeIssue Tracking;Patch;Vendor Advisory
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http://www.securityfocus.com/bid/100517
Linux Kernel CVE-2017-13715 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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