CVE-2017-12896
CRITICALCVSS 9.8/10EPSS 3.28%
Last modified
CVE-2017-12896 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().. EPSS estimates a 3.28% chance of exploitation in the next 30 days.
Description
The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_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 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Aus | 7.7 |
References
- http://www.debian.org/security/2017/dsa-3971Third Party Advisory
- http://www.securitytracker.com/id/1039307Third Party Advisory, VDB Entry
- http://www.tcpdump.org/tcpdump-changes.txtVendor Advisory
- https://access.redhat.com/errata/RHEA-2018:0705Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2Issue Tracking, Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201709-23Third Party Advisory
- https://support.apple.com/HT208221Third Party Advisory
- http://www.debian.org/security/2017/dsa-3971Third Party Advisory
- http://www.securitytracker.com/id/1039307Third Party Advisory, VDB Entry
- http://www.tcpdump.org/tcpdump-changes.txtVendor Advisory
- https://access.redhat.com/errata/RHEA-2018:0705Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2Issue Tracking, Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201709-23Third Party Advisory
- https://support.apple.com/HT208221Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-12896?
The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().
How severe is CVE-2017-12896?
CVE-2017-12896 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.28% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12896?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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