LiveActive security incident?Get immediate response
CVE Record

CVE-2011-4125: A untrusted search path issue was found in Calibre at devices/linux_mount_helper.c leading to the ability o...

A untrusted search path issue was found in Calibre at devices/linux_mount_helper.c leading to the ability of unprivileged users to execute any program as root.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Calibre had an untrusted search path flaw in its Linux mount helper. On affected Linux systems, a local unprivileged user could cause a program to run as root. This is primarily a workstation or server local privilege-escalation risk, not a remote internet exposure based on the provided sources.

Executive priority

Prioritize where Calibre exists on shared Linux workstations, build hosts, or servers with untrusted local users. Lower urgency applies to systems without Calibre, without Linux exposure, or without local user access.

Technical view

CVE-2011-4125 maps to CWE-426 in Calibre's devices/linux_mount_helper.c. The source bundle states the flaw lets unprivileged users execute arbitrary programs as root through an untrusted search path condition. Affected versions are not identified in the bundle, and no CVSS score is provided.

Likely exposure

Exposure is likely limited to Linux systems with affected Calibre installations and the vulnerable mount helper reachable by local users. The bundle does not identify exact versions, package builds, or platforms beyond Calibre and Linux-related helper code.

Exploitation context

The bundle includes public references discussing an exploit and security reports, but KEV is false and no cited source states active exploitation. Treat this as a known local privilege-escalation issue with incomplete current exploitation evidence.

Researcher notes

Key gaps are exact affected versions, fixed versions, and packaged distribution status. The impact claim is strong in the CVE description, but remediation should be tied to vendor or distribution advisories rather than assumed from the vulnerability class.

Mitigation direction

  • Inventory Linux hosts and workstations with Calibre installed.
  • Check vendor and distribution guidance for fixed Calibre packages.
  • Update Calibre where a trusted fixed package is available.
  • Disable or remove the vulnerable helper if vendor guidance supports that action.
  • Limit local shell access on systems until exposure is resolved.

Validation and detection

  • Confirm whether Calibre is installed on Linux systems.
  • Record installed Calibre versions and package sources.
  • Check whether the Linux mount helper component is present.
  • Compare findings against CVE, Launchpad, Openwall, and distribution advisories.
  • Verify remediation with non-exploit administrative checks only.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

cwe · low confidence lookup

CWE-426: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2011-4125 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aCalibreunknownListed
Weakness

CWE details

CWE-426

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-426 · source CWE mapping

Untrusted Search Path

Untrusted Search Path represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs