CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
AI Score
Confidence
Low
EPSS
Percentile
88.0%
Perl is prone to a denial of service (DoS) vulnerability.
# SPDX-FileCopyrightText: 2011 Greenbone AG
# 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("1.3.6.1.4.1.25623.1.0.801790");
script_version("2024-02-15T05:05:39+0000");
script_tag(name:"last_modification", value:"2024-02-15 05:05:39 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"creation_date", value:"2011-05-23 15:31:07 +0200 (Mon, 23 May 2011)");
script_cve_id("CVE-2011-0761");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_name("Perl Denial of Service Vulnerability - Windows");
script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/67355");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/47766");
script_xref(name:"URL", value:"http://www.toucan-system.com/advisories/tssa-2011-03.txt");
script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/archive/1/517916/100/0/threaded");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2011 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_perl_detect_win.nasl");
script_mandatory_keys("Perl/Strawberry_or_Active/Installed");
script_tag(name:"impact", value:"Successful exploitation will allow attackers to cause an affected
application to crash, denying service to legitimate users.");
script_tag(name:"affected", value:"Perl versions 5.10 and 5.10.1 on Windows.");
script_tag(name:"insight", value:"The flaw is due to an error in 'getpeername', 'readdir', 'closedir',
'getsockname', 'rewinddir', 'tell', or 'telldir' function calls. When given
a wrong number of arguments, those functions will attempt to perform a
comparison between an unallocated memory zone and a given register, resulting
in a segmentation fault.");
script_tag(name:"solution", value:"Upgrade to Perl version 5.12 or later.");
script_tag(name:"summary", value:"Perl is prone to a denial of service (DoS) vulnerability.");
script_tag(name:"qod_type", value:"registry");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
include("version_func.inc");
apVer = get_kb_item("ActivePerl/Ver");
if(apVer)
{
if(version_in_range(version:apVer, test_version:"5.10", test_version2:"5.10.1"))
{
report = report_fixed_ver(installed_version:apVer, vulnerable_range:"5.10 - 5.10.1");
security_message(port: 0, data: report);
exit(0);
}
}
spVer = get_kb_item("Strawberry/Perl/Ver");
if(spVer)
{
if(version_in_range(version:spVer, test_version:"5.10", test_version2:"5.10.1")){
report = report_fixed_ver(installed_version:spVer, vulnerable_range:"5.10 - 5.10.1");
security_message(port: 0, data: report);
}
}