6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.1 High
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
16.2%
The remote host is missing an update to the system
as announced in the referenced advisory FreeBSD-SA-09:13.pipe.asc
# SPDX-FileCopyrightText: 2009 E-Soft Inc.
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.65013");
script_version("2023-07-26T05:05:09+0000");
script_cve_id("CVE-2009-3527");
script_tag(name:"last_modification", value:"2023-07-26 05:05:09 +0000 (Wed, 26 Jul 2023)");
script_tag(name:"creation_date", value:"2009-10-06 02:49:40 +0200 (Tue, 06 Oct 2009)");
script_tag(name:"cvss_base", value:"6.9");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_name("FreeBSD Security Advisory (FreeBSD-SA-09:13.pipe.asc)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2009 E-Soft Inc.");
script_family("FreeBSD Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/freebsd", "ssh/login/freebsdpatchlevel");
script_tag(name:"insight", value:"Pipes are a form of inter-process communication (IPC) provided by the
FreeBSD kernel. kqueue is an event management API that applications can
use to monitor pipes and other kernel services.
A race condition exists in the pipe close() code relating to kqueues,
causing use-after-free for kernel memory, which may lead to an
exploitable NULL pointer vulnerability in the kernel, kernel memory
corruption, and other unpredictable results.");
script_tag(name:"solution", value:"Upgrade your system to the appropriate stable release
or security branch dated after the correction date.");
script_xref(name:"URL", value:"https://secure1.securityspace.com/smysecure/catid.html?in=FreeBSD-SA-09:13.pipe.asc");
script_tag(name:"summary", value:"The remote host is missing an update to the system
as announced in the referenced advisory FreeBSD-SA-09:13.pipe.asc");
script_tag(name:"qod_type", value:"package");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
include("pkg-lib-bsd.inc");
vuln = FALSE;
if(patchlevelcmp(rel:"6.4", patchlevel:"7")<0) {
vuln = TRUE;
}
if(patchlevelcmp(rel:"6.3", patchlevel:"13")<0) {
vuln = TRUE;
}
if(vuln) {
security_message(port:0);
} else if (__pkg_match) {
exit(99);
}