Multiple vulnerabilities in kernel Util-linux



| Updated: 2020-08-11
Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2011-1677
CVE-2011-1675
CVE-2011-1676
CWE-ID CWE-20
CWE-399
CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Util-linux
Universal components / Libraries / Libraries used by multiple products

Vendor kernel.org

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU45135

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-1677

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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~ lock file after a failed attempt to add a mount entry, which has unspecified impact and local attack vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Util-linux: 2.2 - 2.18

CPE2.3 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/66703


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.

2) Resource management error

EUVDB-ID: #VU45138

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 - Resource Management Errors

Exploit availability: No

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

CPE2.3 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.

3) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU45139

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-2011-1676

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Util-linux: 2.2 - 2.18

CPE2.3 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://bugzilla.redhat.com/show_bug.cgi?id=688980
https://exchange.xforce.ibmcloud.com/vulnerabilities/66704


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.



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