SUSE: Security Advisory (SUSE-SU-2020:1682-2)

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.1.4.2020.1682.2");
  script_cve_id("CVE-2020-10543", "CVE-2020-10878", "CVE-2020-12723");
  script_tag(name:"creation_date", value:"2021-06-09 14:57:00 +0000 (Wed, 09 Jun 2021)");
  script_version("2024-02-02T14:37:50+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-06-09 14:01:10 +0000 (Tue, 09 Jun 2020)");

  script_name("SUSE: Security Advisory (SUSE-SU-2020:1682-2)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES15\.0SP1)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2020:1682-2");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2020/suse-su-20201682-2/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'perl' package(s) announced via the SUSE-SU-2020:1682-2 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"This update for perl fixes the following issues:

CVE-2020-10543: Fixed a heap buffer overflow in regular expression
 compiler which could have allowed overwriting of allocated memory with
 attacker's data (bsc#1171863).

CVE-2020-10878: Fixed multiple integer overflows which could have
 allowed the insertion of instructions into the compiled form of Perl
 regular expression (bsc#1171864).

CVE-2020-12723: Fixed an attacker's corruption of the intermediate
 language state of a compiled regular expression (bsc#1171866).

Fixed a bad warning in features.ph (bsc#1172348).");

  script_tag(name:"affected", value:"'perl' package(s) on SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1.");

  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-rpm.inc");

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

res = "";
report = "";

if(release == "SLES15.0SP1") {

  if(!isnull(res = isrpmvuln(pkg:"perl-32bit", rpm:"perl-32bit~5.26.1~7.12.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"perl-32bit-debuginfo", rpm:"perl-32bit-debuginfo~5.26.1~7.12.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"perl-debugsource", rpm:"perl-debugsource~5.26.1~7.12.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

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

exit(0);