CVE-2017-12896
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
Description
The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-12896
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-12896.html
Vendor advisory: cve@mitre.org — https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771
Vendor advisory: cve@mitre.org — http://www.tcpdump.org/tcpdump-changes.txt
Vendor advisory: arch — https://security.archlinux.org/ASA-201709-5
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.9.2-1 | |
| sles | affected | | |
| debian | 9.0 | affected | |
| debian | 10.0 | affected | |
| rhel | 7.0 | affected | |
| debian | bookworm | fixed | 4.9.2-1 |
| debian | bullseye | fixed | 4.9.2-1 |
| debian | forky | fixed | 4.9.2-1 |
| debian | sid | fixed | 4.9.2-1 |
| debian | trixie | fixed | 4.9.2-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| tcpdump | tcpdump | {"endIncluding":"4.9.1"} | |
References
- https://security.archlinux.org/ASA-201709-5
- http://www.debian.org/security/2017/dsa-3971
- http://www.securitytracker.com/id/1039307
- http://www.tcpdump.org/tcpdump-changes.txt
- https://access.redhat.com/errata/RHEA-2018:0705
- https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2
- https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771
- https://security.gentoo.org/glsa/201709-23
- https://support.apple.com/HT208221
- https://www.suse.com/security/cve/CVE-2017-12896.html
- https://security-tracker.debian.org/tracker/CVE-2017-12896
CWEs
CWE-125
Verify integrity in audit chain (admin only). AS-IS.