Vulnerability CVE-2011-4126
Published: 2021-10-27

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

Type:

CWE-367

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

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Calibre-ebook -> Calibre 

 References:
https://lwn.net/Articles/464824/
https://bugs.launchpad.net/calibre/+bug/885027
https://www.openwall.com/lists/oss-security/2011/11/02/2
https://git.zx2c4.com/calibre-mount-helper-exploit/about/
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