CVE-2009-1935

Public Exploit

Description

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.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory freebsd.org Vendor Advisory secunia.com Vendor Advisory freebsd.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/51109 vdb entry
http://security.freebsd.org/patches/SA-09:09/pipe.patch exploit vendor advisory
http://www.securityfocus.com/bid/35279 vdb entry
http://secunia.com/advisories/35398 third party advisory vendor advisory
http://osvdb.org/55044 vdb entry
http://www.securitytracker.com/id?1022365 vdb entry
http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.asc patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-1935?
CVE-2009-1935 has been scored as a medium severity vulnerability.
How to fix CVE-2009-1935?
To fix CVE-2009-1935, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1935 being actively exploited in the wild?
It is possible that CVE-2009-1935 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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