4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
7.7 High
AI Score
Confidence
High
0.053 Low
EPSS
Percentile
93.1%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2013 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("1.3.6.1.4.1.25623.1.0.841589");
script_cve_id("CVE-2013-2099", "CVE-2013-4238");
script_tag(name:"creation_date", value:"2013-10-03 04:51:50 +0000 (Thu, 03 Oct 2013)");
script_version("2024-02-02T05:06:04+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:04 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
script_name("Ubuntu: Security Advisory (USN-1983-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2013 Greenbone AG");
script_family("Ubuntu Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(12\.04\ LTS|12\.10|13\.04)");
script_xref(name:"Advisory-ID", value:"USN-1983-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-1983-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'python2.7' package(s) announced via the USN-1983-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Florian Weimer discovered that Python incorrectly handled matching multiple
wildcards in ssl certificate hostnames. An attacker could exploit this to
cause Python to consume resources, resulting in a denial of service. This
issue only affected Ubuntu 13.04. (CVE-2013-2099)
Ryan Sleevi discovered that Python did not properly handle certificates
with NULL characters in the Subject Alternative Name field. An attacker
could exploit this to perform a machine-in-the-middle attack to view sensitive
information or alter encrypted communications. (CVE-2013-4238)");
script_tag(name:"affected", value:"'python2.7' package(s) on Ubuntu 12.04, Ubuntu 12.10, Ubuntu 13.04.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-deb.inc");
release = dpkg_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "UBUNTU12.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"python2.7", ver:"2.7.3-0ubuntu3.4", rls:"UBUNTU12.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"python2.7-minimal", ver:"2.7.3-0ubuntu3.4", rls:"UBUNTU12.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU12.10") {
if(!isnull(res = isdpkgvuln(pkg:"python2.7", ver:"2.7.3-5ubuntu4.3", rls:"UBUNTU12.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"python2.7-minimal", ver:"2.7.3-5ubuntu4.3", rls:"UBUNTU12.10"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU13.04") {
if(!isnull(res = isdpkgvuln(pkg:"python2.7", ver:"2.7.4-2ubuntu3.2", rls:"UBUNTU13.04"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"python2.7-minimal", ver:"2.7.4-2ubuntu3.2", rls:"UBUNTU13.04"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);