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CVE
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CVE-2009-1935Date: (C)2009-06-18   (M)2018-02-19


Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 4.9
Exploit Score: Exploit Score: 3.9
Impact Score: Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: LOCAL
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: COMPLETE
Scope: Integrity: NONE
Confidentiality: Availability: NONE
Integrity:  
Availability:  
  
Reference:
SECTRACK-1022365
BID-35279
SECUNIA-35398
OSVDB-55044
FreeBSD-SA-09:09
freebsd-directpipe-info-disclosure(51109)
http://security.freebsd.org/patches/SA-09:09/pipe.patch

CPE    5
cpe:/o:freebsd:freebsd:6.3
cpe:/o:freebsd:freebsd:7.1
cpe:/o:freebsd:freebsd:7.1:rc1
cpe:/o:freebsd:freebsd:7.2
...
CWE    1
CWE-189

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