Input validation error in Samba - CVE-2011-1678
Published: April 10, 2011 / Updated: August 3, 2020
Vulnerability identifier: #VU33333
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-1678
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Samba
Affected software:
Samba
Samba
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to read and manipulate data.
smbfs in Samba 3.5.8 and earlier attempts to use (1) mount.cifs to append to the /etc/mtab file and (2) umount.cifs 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.
How to mitigate CVE-2011-1678
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
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:148
- https://bugzilla.redhat.com/show_bug.cgi?id=688980
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66702