Vulnerability Details : CVE-2019-15702
In the TCP implementation (gnrc_tcp) in RIOT through 2019.07, the parser for TCP options does not terminate on all inputs, allowing a denial-of-service, because sys/net/gnrc/transport_layer/tcp/gnrc_tcp_option.c has an infinite loop for an unknown zero-length option.
Vulnerability category: Denial of service
Products affected by CVE-2019-15702
- cpe:2.3:o:riot-os:riot:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-15702
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-15702
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-15702
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-15702
-
https://github.com/RIOT-OS/RIOT/issues/12086
gnrc_tcp: option parsing doesn't terminate on all inputs, potential DOS · Issue #12086 · RIOT-OS/RIOT · GitHubExploit;Third Party Advisory
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