CVE-2017-13021
CRITICALCVSS 9.8/10EPSS 3.43%
Last modified
CVE-2017-13021 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The ICMPv6 parser in tcpdump before 4.9.2 has a buffer over-read in print-icmp6.c:icmp6_print().. EPSS estimates a 3.43% chance of exploitation in the next 30 days.
Description
The ICMPv6 parser in tcpdump before 4.9.2 has a buffer over-read in print-icmp6.c:icmp6_print().
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tcpdump | Tcpdump | <= 4.9.1 |
References
- http://www.securitytracker.com/id/1039307Third Party Advisory, VDB Entry
- http://www.tcpdump.org/tcpdump-changes.txtVendor Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/67c7126062d59729cd421bb38f9594015c9907baIssue Tracking, Patch, Third Party Advisory
- http://www.securitytracker.com/id/1039307Third Party Advisory, VDB Entry
- http://www.tcpdump.org/tcpdump-changes.txtVendor Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/67c7126062d59729cd421bb38f9594015c9907baIssue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-13021?
The ICMPv6 parser in tcpdump before 4.9.2 has a buffer over-read in print-icmp6.c:icmp6_print().
How severe is CVE-2017-13021?
CVE-2017-13021 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.43% probability of exploitation in the next 30 days.
How do I fix CVE-2017-13021?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-13021?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST