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FreeBSD procfs/linprocfs Process Argument Vector Handling Vulnerability
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Secunia Advisory:
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SA13352
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Release Date:
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2004-12-02
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Popularity:
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12,542 views
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Critical:
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Less critical
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Impact:
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Exposure of system information
Exposure of sensitive information
DoS
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| OS: | FreeBSD 4.x
FreeBSD 5.x
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been reported in FreeBSD, which can be exploited by malicious, local users to gain knowledge of sensitive information or cause a DoS (Denial of Service).
The vulnerability is caused due to an error in "/proc/curproc/cmdline" of the procfs file system and "/proc/self/cmdline" of the linprocfs file system when reading an argument vector from a process address space. This can be exploited to disclose parts of kernel memory or crash a vulnerable system.
Successful exploitation requires that the procfs or linprocfs file system is mounted.
NOTE: "/proc/self/cmdline" is not implemented in FreeBSD 4.x.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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