RedHat Update for libgcrypt RHSA-2016:2674-01

# 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("1.3.6.1.4.1.25623.1.0.871714");
  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:"2016-11-14 18:00:15 +0530 (Mon, 14 Nov 2016)");
  script_cve_id("CVE-2016-6313");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-01-05 02:31:00 +0000 (Fri, 05 Jan 2018)");
  script_tag(name:"qod_type", value:"package");
  script_name("RedHat Update for libgcrypt RHSA-2016:2674-01");
  script_tag(name:"summary", value:"The remote host is missing an update for the 'libgcrypt'
  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:"The libgcrypt library provides
general-purpose implementations of various cryptographic algorithms.

Security Fix(es):

  * A design flaw was found in the libgcrypt PRNG (Pseudo-Random Number
Generator). An attacker able to obtain the first 580 bytes of the PRNG
output could predict the following 20 bytes. (CVE-2016-6313)

Red Hat would like to thank Felix Doerre and Vladimir Klebanov for reporting
this issue.");
  script_tag(name:"affected", value:"libgcrypt 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:"2016:2674-01");
  script_xref(name:"URL", value:"https://www.redhat.com/archives/rhsa-announce/2016-November/msg00057.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|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:"libgcrypt", rpm:"libgcrypt~1.5.3~13.el7_3.1", rls:"RHENT_7")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"libgcrypt-debuginfo", rpm:"libgcrypt-debuginfo~1.5.3~13.el7_3.1", rls:"RHENT_7")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"libgcrypt-devel", rpm:"libgcrypt-devel~1.5.3~13.el7_3.1", 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:"libgcrypt", rpm:"libgcrypt~1.4.5~12.el6_8", rls:"RHENT_6")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"libgcrypt-debuginfo", rpm:"libgcrypt-debuginfo~1.4.5~12.el6_8", rls:"RHENT_6")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"libgcrypt-devel", rpm:"libgcrypt-devel~1.4.5~12.el6_8", rls:"RHENT_6")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

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