Permissions, Privileges, and Access Controls in Util-linux - CVE-2011-1676
Published: April 10, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45139
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-1676
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: kernel.org
Affected software:
Util-linux
Util-linux
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
mount in util-linux 2.19 and earlier does not remove the /etc/mtab.tmp file after a failed attempt to add a mount entry, which allows local users to trigger corruption of the /etc/mtab file via multiple invocations.
How to mitigate CVE-2011-1676
Install update from vendor's website.
Sources
- http://openwall.com/lists/oss-security/2011/03/04/10
- http://openwall.com/lists/oss-security/2011/03/04/11
- http://openwall.com/lists/oss-security/2011/03/04/12
- http://openwall.com/lists/oss-security/2011/03/04/9
- http://openwall.com/lists/oss-security/2011/03/05/3
- http://openwall.com/lists/oss-security/2011/03/05/7
- http://openwall.com/lists/oss-security/2011/03/07/9
- http://openwall.com/lists/oss-security/2011/03/14/16
- http://openwall.com/lists/oss-security/2011/03/14/5
- http://openwall.com/lists/oss-security/2011/03/14/7
- http://openwall.com/lists/oss-security/2011/03/15/6
- http://openwall.com/lists/oss-security/2011/03/22/4
- http://openwall.com/lists/oss-security/2011/03/22/6
- http://openwall.com/lists/oss-security/2011/03/31/3
- http://openwall.com/lists/oss-security/2011/03/31/4
- http://openwall.com/lists/oss-security/2011/04/01/2
- https://bugzilla.redhat.com/show_bug.cgi?id=688980
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66704