Security readout for executives and security teams
CVE-2017-13031 is a tcpdump flaw where malformed IPv6 fragmentation data can make vulnerable versions read past a buffer. The source bundle describes tcpdump before 4.9.2 as affected. Treat this as urgent on systems that capture or inspect untrusted network traffic, even though the provided sources do not show active exploitation. Exposure is most likely on servers, appliances, workstations, or forensic systems running tcpdump before 4.9.2 or unpatched vendor packages that process untrusted packet captures or live traffic containing IPv6 fragments. Prioritize remediation where tcpdump is installed on security monitoring, incident response, network operations, or shared analysis systems. The high score warrants prompt patching, but urgency should be balanced by actual tcpdump deployment and parsing exposure. Mitigation focus: Upgrade tcpdump to 4.9.2 or a vendor-patched equivalent.; Apply relevant Gentoo, Debian, Apple, or Red Hat package guidance.; Prioritize systems parsing untrusted live traffic or packet captures..
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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ATT&CK lookup starting points
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CWE-125: Exact CWE lookup
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Open ATT&CK lookupCVE-2017-13031 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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/2d669862df7cd17f539129049f6fb70d17174125CVE 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.