Security readout for executives and security teams
This CVE describes a Bash 4.3 prompt-handling flaw. If an authenticated remote user can place shell metacharacters into a machine hostname, Bash prompt expansion of \h may execute unintended code. Business risk depends heavily on whether users can influence hostnames and whether vulnerable Bash versions remain deployed. Likely exposure is legacy Unix/Linux systems running Bash 4.3, especially multi-user or remotely administered environments where authenticated users can influence hostnames. The affected-product data in the bundle is incomplete, so exposure must be confirmed against local packages and vendor advisories. Handle as a targeted legacy-platform risk, not an emergency based on the provided evidence. Give higher priority to shared servers, managed hosting, jump hosts, and systems with remote authenticated users. Where exposure is unclear, validate package versions and hostname-control paths before escalating. Mitigation focus: Apply Bash updates from applicable OS vendor advisories.; Check Red Hat and Gentoo guidance for affected package versions.; Reduce authenticated users' ability to control hostnames..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2016-0634 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2017:1931CVE reference · vendor-advisory, x_refsource_REDHAT
- GLSA-201612-39CVE reference · vendor-advisory, x_refsource_GENTOO
- https://bugzilla.redhat.com/show_bug.cgi?id=1377613CVE reference · x_refsource_CONFIRM
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.