CVE-2017-12997
CRITICALCVSS 9.8/10EPSS 2.46%
Last modified
CVE-2017-12997 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-lldp.c:lldp_private_8021_print().. EPSS estimates a 2.46% chance of exploitation in the next 30 days.
Description
The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-lldp.c:lldp_private_8021_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.tcpdump.org/tcpdump-changes.txtVendor Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/34cec721d39c76be1e0a600829a7b17bdfb832b6Issue Tracking, Patch, Third Party Advisory
- http://www.tcpdump.org/tcpdump-changes.txtVendor Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/34cec721d39c76be1e0a600829a7b17bdfb832b6Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-12997?
The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-lldp.c:lldp_private_8021_print().
How severe is CVE-2017-12997?
CVE-2017-12997 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.46% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12997?
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-2017-12997?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST