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openvasCopyright (C) 2016 Greenbone AGOPENVAS:1361412562310871561
HistoryFeb 17, 2016 - 12:00 a.m.

RedHat Update for polkit RHSA-2016:0189-01

2016-02-1700:00:00
Copyright (C) 2016 Greenbone AG
plugins.openvas.org
11

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%

The remote host is missing an update for the

# SPDX-FileCopyrightText: 2016 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("1.3.6.1.4.1.25623.1.0.871561");
  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:"2016-02-17 06:26:06 +0100 (Wed, 17 Feb 2016)");
  script_cve_id("CVE-2015-3256");
  script_tag(name:"cvss_base", value:"4.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"qod_type", value:"package");
  script_name("RedHat Update for polkit RHSA-2016:0189-01");
  script_tag(name:"summary", value:"The remote host is missing an update for the 'polkit'
  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:"PolicyKit is a toolkit for defining and
handling authorizations.

A denial of service flaw was found in how polkit handled authorization
requests. A local, unprivileged user could send malicious requests to
polkit, which could then cause the polkit daemon to corrupt its memory and
crash. (CVE-2015-3256)

All polkit users should upgrade to these updated packages, which contain a
backported patch to correct this issue. The system must be rebooted for
this update to take effect.");
  script_tag(name:"affected", value:"polkit on Red Hat Enterprise Linux Server (v. 7)");
  script_tag(name:"solution", value:"Please Install the Updated Packages.");

  script_xref(name:"RHSA", value:"2016:0189-01");
  script_xref(name:"URL", value:"https://www.redhat.com/archives/rhsa-announce/2016-February/msg00028.html");
  script_tag(name:"solution_type", value:"VendorFix");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 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");

  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:"polkit-docs", rpm:"polkit-docs~0.112~6.el7_2", rls:"RHENT_7")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"polkit", rpm:"polkit~0.112~6.el7_2", rls:"RHENT_7")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"polkit-debuginfo", rpm:"polkit-debuginfo~0.112~6.el7_2", rls:"RHENT_7")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"polkit-devel", rpm:"polkit-devel~0.112~6.el7_2", rls:"RHENT_7")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99);
  exit(0);
}

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%