#VU45138 Resource management error in Util-linux
Vulnerability identifier: #VU45138
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-399
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Util-linux
Universal components / Libraries /
Libraries used by multiple products
Vendor: kernel.org
Description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
mount in util-linux 2.19 and earlier attempts to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Util-linux: 2.2 - 2.18
External links
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
http://secunia.com/advisories/48114
http://www.redhat.com/support/errata/RHSA-2011-1691.html
http://bugzilla.redhat.com/show_bug.cgi?id=688980
http://exchange.xforce.ibmcloud.com/vulnerabilities/66705
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
