Vulnerability Details : CVE-2020-7469
In FreeBSD 12.2-STABLE before r367402, 11.4-STABLE before r368202, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 the handler for a routing option caches a pointer into the packet buffer holding the ICMPv6 message. However, when processing subsequent options the packet buffer may be freed, rendering the cached pointer invalid. The network stack may later dereference the pointer, potentially triggering a use-after-free.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2020-7469
Probability of exploitation activity in the next 30 days: 0.12%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 44 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-7469
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2020-7469
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-7469
-
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:31.icmp6.asc
Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20210720-0001/
CVE-2020-7469 FreeBSD Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
Products affected by CVE-2020-7469
- cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:beta1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:rc1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:rc2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.1:p10:*:*:*:*:*:*
- cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*