Security readout for executives and security teams
Plain-English summary
CVE-2013-4235 is a reported race condition in shadow, a Linux account-management component. The available bundle says the flaw occurs while copying and removing directory trees. Business impact cannot be rated precisely because no CVSS score, exploit prerequisites, or confirmed impact details are provided.
Executive priority
Treat as a package hygiene and exposure-confirmation task, not an emergency, unless vendor data shows vulnerable production systems with risky local-user access.
Technical view
The issue is described as a TOCTOU race condition in shadow during directory tree copy and removal operations. The bundle identifies shadow version 1 as affected, but provides no CWE, CVSS vector, fixed version, privilege boundary, or exploitability detail.
Likely exposure
Potential exposure is Linux systems using affected shadow packages. Debian, Red Hat, and Gentoo tracked the CVE, but the provided evidence does not identify exact downstream package versions or currently vulnerable releases.
Exploitation context
CISA KEV status is false, and the bundle cites no active exploitation. The sources do not establish whether exploitation is local or remote, what privileges are required, or whether practical exploit code exists.
Researcher notes
Evidence is sparse. The Apache MINA/log4j mailing-list reference appears unrelated to shadow and should not drive analysis. Avoid claims about impact, exploitability, or fixes without checking vendor tracker details.
Mitigation direction
- Check Debian, Red Hat, and Gentoo advisories for affected package status.
- Apply vendor-provided shadow package updates or backports where available.
- Prioritize systems where untrusted users can trigger affected account-management workflows.
- Avoid assuming a workaround unless a vendor advisory names one.
Validation and detection
- Inventory installed shadow package names and versions across Linux systems.
- Map package versions to Debian, Red Hat, or Gentoo CVE tracker status.
- Review change records for vendor backports addressing CVE-2013-4235.
- Confirm no unsupported shadow builds are deployed on production hosts.
Public sources used
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.
CVE-2013-4235 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
- https://security-tracker.debian.org/tracker/CVE-2013-4235CVE reference
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4235CVE reference
- https://access.redhat.com/security/cve/cve-2013-4235CVE reference
- [mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jarCVE reference · mailing-list
- GLSA-202210-26CVE reference · vendor-advisory
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.