Security readout for executives and security teams
CVE-2017-12896 is a memory read bug in tcpdump’s ISAKMP packet parser before version 4.9.2. A crafted packet or capture processed by vulnerable tcpdump could make the tool read beyond expected memory. The sources rate it critical, but they do not show active exploitation. Exposure is most likely on systems with tcpdump before 4.9.2, especially where analysts, servers, or tooling process untrusted network traffic or packet captures containing ISAKMP data. The bundle does not identify specific downstream products beyond tcpdump and vendor-packaged distributions. Prioritize remediation where tcpdump is used in security operations, incident response, packet analysis, or automated capture processing. This is an older CVE with available fixes, so remaining exposure usually indicates asset hygiene or unmanaged tooling gaps. Mitigation focus: Upgrade tcpdump to 4.9.2 or a vendor-fixed package.; Apply relevant Gentoo, Debian, Apple, or Red Hat updates where applicable.; Check vendor guidance for unsupported or backported package versions..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupCVE-2017-12896 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201709-23CVE reference · vendor-advisory, x_refsource_GENTOO
- https://support.apple.com/HT208221CVE reference · x_refsource_CONFIRM
- https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771CVE reference · x_refsource_CONFIRM
- https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2CVE reference · x_refsource_CONFIRM
- RHEA-2018:0705CVE reference · vendor-advisory, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.