Security readout for executives and security teams
CVE-2017-12894 is a critical tcpdump parsing flaw fixed in tcpdump 4.9.2. A malformed packet or capture handled by vulnerable parsers could make tcpdump read past a buffer boundary. The supplied record rates this as CVSS 9.8, but the public summary only confirms a buffer over-read, not code execution. Likely exposure is systems running tcpdump before 4.9.2 or OS packages based on vulnerable tcpdump code. Prioritize monitoring hosts, packet-capture analysis systems, troubleshooting jump boxes, and security tooling images. The source bundle’s affected-product metadata is incomplete, so confirm exposure through local package inventories and vendor advisories. Treat this as a priority patching item where tcpdump processes untrusted traffic or captures. Business urgency is lower on systems without tcpdump or where it is unused, but the critical score and broad packaging across operating systems justify rapid inventory and remediation. Mitigation focus: Upgrade tcpdump to 4.9.2 or a vendor-fixed package release.; Apply applicable OS vendor advisories for Gentoo, Debian, Apple, or Red Hat systems.; Restrict tcpdump use on untrusted traffic until patched..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Open ATT&CK lookupCVE-2017-12894 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
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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/730fc35968c5433b9e2a829779057f4f9495dc51CVE 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.