#VU45138 Resource management error in Util-linux - CVE-2011-1675
Vulnerability identifier: #VU45138
Vulnerability risk: Medium
CVSSv4.0: 1.2 [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-2011-1675
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
https://openwall.com/lists/oss-security/2011/03/04/10
https://openwall.com/lists/oss-security/2011/03/04/11
https://openwall.com/lists/oss-security/2011/03/04/12
https://openwall.com/lists/oss-security/2011/03/04/9
https://openwall.com/lists/oss-security/2011/03/05/3
https://openwall.com/lists/oss-security/2011/03/05/7
https://openwall.com/lists/oss-security/2011/03/07/9
https://openwall.com/lists/oss-security/2011/03/14/16
https://openwall.com/lists/oss-security/2011/03/14/5
https://openwall.com/lists/oss-security/2011/03/14/7
https://openwall.com/lists/oss-security/2011/03/15/6
https://openwall.com/lists/oss-security/2011/03/22/4
https://openwall.com/lists/oss-security/2011/03/22/6
https://openwall.com/lists/oss-security/2011/03/31/3
https://openwall.com/lists/oss-security/2011/03/31/4
https://openwall.com/lists/oss-security/2011/04/01/2
https://secunia.com/advisories/48114
https://www.redhat.com/support/errata/RHSA-2011-1691.html
https://bugzilla.redhat.com/show_bug.cgi?id=688980
https://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.
