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CVE-2011-4126

Date: October 26, 2021

Race condition issues were found in Calibre at devices/linux_mount_helper.c allowing unprivileged users the ability to mount any device to anywhere.

Severity Score

Related Resources (7)

https://www.openwall.com/lists/oss-security/2011/11/02/2
https://security-tracker.debian.org/tracker/CVE-2011-4126
https://nvd.nist.gov/vuln/detail/CVE-2011-4126
https://git.zx2c4.com/calibre-mount-helper-exploit/about/
https://bugs.launchpad.net/calibre/+bug/885027
https://lwn.net/Articles/464824/
https://www.mend.io/vulnerability-database/CVE-2011-4126

Severity Score

Weakness Type (CWE)

Time-of-check Time-of-use (TOCTOU) Race Condition

CWE-367

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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