3.7 Low
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
5.6 Medium
AI Score
Confidence
Low
4.3 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.975 High
EPSS
Percentile
100.0%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2015 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("1.3.6.1.4.1.25623.1.0.871382");
script_version("2024-03-21T05:06:54+0000");
script_tag(name:"last_modification", value:"2024-03-21 05:06:54 +0000 (Thu, 21 Mar 2024)");
script_tag(name:"creation_date", value:"2015-06-26 06:24:08 +0200 (Fri, 26 Jun 2015)");
script_cve_id("CVE-2015-4000");
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_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-01-20 15:15:00 +0000 (Wed, 20 Jan 2021)");
script_tag(name:"qod_type", value:"package");
script_name("RedHat Update for nss RHSA-2015:1185-01");
script_tag(name:"summary", value:"The remote host is missing an update for the 'nss'
package(s) announced via the referenced advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Network Security Services (NSS) is a set of libraries designed to support
cross-platform development of security-enabled client and server
applications.
A flaw was found in the way the TLS protocol composes the Diffie-Hellman
(DH) key exchange. A man-in-the-middle attacker could use this flaw to
force the use of weak 512 bit export-grade keys during the key exchange,
allowing them do decrypt all traffic. (CVE-2015-4000)
Note: This update forces the TLS/SSL client implementation in NSS to
reject DH key sizes below 768 bits, which prevents sessions to be
downgraded to export-grade keys. Future updates may raise this limit to
1024 bits.
The nss and nss-util packages have been upgraded to upstream versions
3.19.1. The upgraded versions provide a number of bug fixes and
enhancements over the previous versions.
Users of nss and nss-util are advised to upgrade to these updated packages,
which fix these security flaws, bugs, and add these enhancements.");
script_tag(name:"affected", value:"nss on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Server (v. 7),
Red Hat Enterprise Linux Workstation (v. 6)");
script_tag(name:"solution", value:"Please Install the Updated Packages.");
script_xref(name:"RHSA", value:"2015:1185-01");
script_xref(name:"URL", value:"https://www.redhat.com/archives/rhsa-announce/2015-June/msg00032.html");
script_tag(name:"solution_type", value:"VendorFix");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2015 Greenbone AG");
script_family("Red Hat Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/rhel", "ssh/login/rpms", re:"ssh/login/release=RHENT_(7|6)");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release) exit(0);
res = "";
if(release == "RHENT_7")
{
if ((res = isrpmvuln(pkg:"nss", rpm:"nss~3.19.1~3.el7_1", rls:"RHENT_7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-debuginfo", rpm:"nss-debuginfo~3.19.1~3.el7_1", rls:"RHENT_7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-devel", rpm:"nss-devel~3.19.1~3.el7_1", rls:"RHENT_7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-sysinit", rpm:"nss-sysinit~3.19.1~3.el7_1", rls:"RHENT_7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-tools", rpm:"nss-tools~3.19.1~3.el7_1", rls:"RHENT_7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-util", rpm:"nss-util~3.19.1~1.el7_1", rls:"RHENT_7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-util-debuginfo", rpm:"nss-util-debuginfo~3.19.1~1.el7_1", rls:"RHENT_7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-util-devel", rpm:"nss-util-devel~3.19.1~1.el7_1", rls:"RHENT_7")) != NULL)
{
security_message(data:res);
exit(0);
}
if (__pkg_match) exit(99);
exit(0);
}
if(release == "RHENT_6")
{
if ((res = isrpmvuln(pkg:"nss", rpm:"nss~3.19.1~3.el6_6", rls:"RHENT_6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-debuginfo", rpm:"nss-debuginfo~3.19.1~3.el6_6", rls:"RHENT_6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-devel", rpm:"nss-devel~3.19.1~3.el6_6", rls:"RHENT_6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-sysinit", rpm:"nss-sysinit~3.19.1~3.el6_6", rls:"RHENT_6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-tools", rpm:"nss-tools~3.19.1~3.el6_6", rls:"RHENT_6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-util", rpm:"nss-util~3.19.1~1.el6_6", rls:"RHENT_6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-util-debuginfo", rpm:"nss-util-debuginfo~3.19.1~1.el6_6", rls:"RHENT_6")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"nss-util-devel", rpm:"nss-util-devel~3.19.1~1.el6_6", rls:"RHENT_6")) != NULL)
{
security_message(data:res);
exit(0);
}
if (__pkg_match) exit(99);
exit(0);
}
3.7 Low
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
5.6 Medium
AI Score
Confidence
Low
4.3 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.975 High
EPSS
Percentile
100.0%