Amazon Linux: Security Advisory (ALAS-2011-22)

2015-09-08T00:00:00
ID OPENVAS:1361412562310120395
Type openvas
Reporter Copyright (C) 2015 Eero Volotinen
Modified 2020-03-13T00:00:00

Description

The remote host is missing an update announced via the referenced Security Advisory.

                                        
                                            # Copyright (C) 2015 Eero Volotinen
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (C) of their respective author(s)
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.120395");
  script_version("2020-03-13T13:19:50+0000");
  script_tag(name:"creation_date", value:"2015-09-08 11:24:37 +0200 (Tue, 08 Sep 2015)");
  script_tag(name:"last_modification", value:"2020-03-13 13:19:50 +0000 (Fri, 13 Mar 2020)");
  script_name("Amazon Linux: Security Advisory (ALAS-2011-22)");
  script_tag(name:"insight", value:"The epoll implementation in the Linux kernel 2.6.37.2 and earlier does not properly traverse a tree of epoll file descriptors, which allows local users to cause a denial of service (CPU consumption) via a crafted application that makes epoll_create and epoll_ctl system calls.Buffer overflow in the xfs_readlink function in fs/xfs/xfs_vnodeops.c in XFS in the Linux kernel 2.6, when CONFIG_XFS_DEBUG is disabled, allows local users to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via an XFS image containing a symbolic link with a long pathname.crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket.");
  script_tag(name:"solution", value:"Run yum update kernel to update your system. You will need to reboot your system in order for the new kernel to be running.");
  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"https://alas.aws.amazon.com/ALAS-2011-22.html");
  script_cve_id("CVE-2011-4081", "CVE-2011-1083", "CVE-2011-4077");
  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_tag(name:"qod_type", value:"package");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/amazon_linux", "ssh/login/release");
  script_category(ACT_GATHER_INFO);
  script_tag(name:"summary", value:"The remote host is missing an update announced via the referenced Security Advisory.");
  script_copyright("Copyright (C) 2015 Eero Volotinen");
  script_family("Amazon Linux Local Security Checks");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "AMAZON") {
  if(!isnull(res = isrpmvuln(pkg:"perf", rpm:"perf~2.6.35.14~103.47.amzn1", rls:"AMAZON"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-devel", rpm:"kernel-devel~2.6.35.14~103.47.amzn1", rls:"AMAZON"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-debuginfo", rpm:"kernel-debuginfo~2.6.35.14~103.47.amzn1", rls:"AMAZON"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-headers", rpm:"kernel-headers~2.6.35.14~103.47.amzn1", rls:"AMAZON"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-debuginfo-common-i686", rpm:"kernel-debuginfo-common-i686~2.6.35.14~103.47.amzn1", rls:"AMAZON"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-doc", rpm:"kernel-doc~2.6.35.14~103.47.amzn1", rls:"AMAZON"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);