Home/CVE/The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().
CVE

CVE-2017-12896

The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().

The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().

CRITICAL · CVSS 9.8 EPSS 0.0206
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

5
tcpdump<= 4.9.1
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Sep 2017 · 06:29 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:11425-1
suse-csafSUSE-SU-2019:14191-1
suse-csafSUSE-SU-2017:2854-1
usnUSN-3415-2
usnUSN-3415-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.debian.org/security/2017/dsa-3971Third Party Advisory
http://www.securitytracker.com/id/1039307Third Party AdvisoryVDB Entry
http://www.tcpdump.org/tcpdump-changes.txtVendor Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2Issue TrackingThird Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201709-23Third Party Advisory
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