Vulnerability Details : CVE-2009-1935
Potential exploit
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.
Vulnerability category: Overflow
Products affected by CVE-2009-1935
- cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:6.3:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:6.3_releng:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:6.4:stable:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:6.4:release_p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.2:pre-release:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.1:pre-release:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.1:stable:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.1:release-p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.1:release-p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:7.1:release-p5:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:6.3:release_p10:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2009-1935
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2009-1935
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:C/I:N/A:N |
3.9
|
6.9
|
NIST |
CWE ids for CVE-2009-1935
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-1935
-
http://www.securitytracker.com/id?1022365
-
http://security.freebsd.org/patches/SA-09:09/pipe.patch
Exploit;Vendor Advisory
-
http://www.securityfocus.com/bid/35279
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/51109
-
http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.asc
Patch;Vendor Advisory
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