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CVE-2011-1679Date: (C)2011-04-09   (M)2023-12-22


ncpfs 2.2.6 and earlier attempts to use (1) ncpmount to append to the /etc/mtab file and (2) ncpumount 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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 3.3
Exploit Score: 3.4
Impact Score: 4.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: NONE
  
Reference:
http://openwall.com/lists/oss-security/2011/03/04/11
http://openwall.com/lists/oss-security/2011/03/04/9
http://openwall.com/lists/oss-security/2011/03/04/10
http://openwall.com/lists/oss-security/2011/03/05/3
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/2011/03/15/6
http://openwall.com/lists/oss-security/2011/03/22/4
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
ncpfs-mtab-security-bypass(66701)

CWE    1
CWE-20
OVAL    2
oval:org.secpod.oval:def:302900
oval:org.secpod.oval:def:1300071

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