Security readout for executives and security teams
GNU Emacs 24.3 and earlier could create a predictable temporary file for a Gnus feature. On a shared system, another local user could abuse that behavior to overwrite files accessible to the Emacs user. This is not a remote internet-facing vulnerability in the provided sources. Exposure is most likely on Unix-like multi-user systems running GNU Emacs 24.3 or earlier, or distribution packages that did not include the May 2014 Gnus temp-file fix. Single-user desktop exposure is usually lower because the attack requires local user access. Handle during legacy workstation and shared-server remediation. It is not evidenced as remotely exploitable or actively exploited, but arbitrary file overwrite from local users can matter on shared operational systems. Mitigation focus: Upgrade GNU Emacs or distribution packages containing the Gnus temporary-file fix.; Check Mandriva, Mageia, GNU, or current vendor guidance for exact fixed package versions.; Reduce untrusted local user access on systems still running affected Emacs versions..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2014-3421 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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