Home/CVE/Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature
CVE

CVE-2009-1935

Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature

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.

MEDIUM · CVSS 4.9 EPSS 0.0007
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
▤

Affected Products & Versions

1
freebsdall versions
⚠

Public Exploits & PoCs

1
pocsecurity.freebsd.org · pipe.patchsecurity.freebsd.org
▣

Scoring & Timeline

4.9
MEDIUM · CVSS v2 (legacy) · secteam@freebsd.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:C/I:N/A:N
Published to NVD18 Jun 2009 · 06:30 PM
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://osvdb.org/55044
http://secunia.com/advisories/35398Vendor Advisory
http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.ascPatchVendor Advisory
http://www.securityfocus.com/bid/35279
http://www.securitytracker.com/id?1022365
https://exchange.xforce.ibmcloud.com/vulnerabilities/51109
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