SUSE: Security Advisory (SUSE-SU-2019:13931-1)

# 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("1.3.6.1.4.1.25623.1.1.4.2019.13931.1");
  script_cve_id("CVE-2018-20685", "CVE-2019-6109", "CVE-2019-6110", "CVE-2019-6111");
  script_tag(name:"creation_date", value:"2021-06-09 14:57:32 +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:"5.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-02-19 18:09:20 +0000 (Tue, 19 Feb 2019)");

  script_name("SUSE: Security Advisory (SUSE-SU-2019:13931-1)");
  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=(SLES11\.0SP4)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2019:13931-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2019/suse-su-201913931-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'openssh' package(s) announced via the SUSE-SU-2019:13931-1 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 openssh fixes the following issues:

Security issue fixed:
CVE-2018-20685: Fixed an issue where scp client allows remote SSH
 servers to bypass intended access restrictions (bsc#1121571)

CVE-2019-6109: Fixed an issue where the scp client would allow malicious
 remote SSH servers to manipulate terminal output via the object name,
 e.g. by inserting ANSI escape sequences (bsc#1121816)

CVE-2019-6110: Fixed an issue where the scp client would allow malicious
 remote SSH servers to manipulate stderr output, e.g. by inserting ANSI
 escape sequences (bsc#1121818)

CVE-2019-6111: Fixed an issue where the scp client would allow malicious
 remote SSH servers to execute directory traversal attacks and overwrite
 files (bsc#1121821)");

  script_tag(name:"affected", value:"'openssh' package(s) on SUSE Linux Enterprise Debuginfo 11-SP4, SUSE Linux Enterprise Server 11-SP4.");

  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 == "SLES11.0SP4") {

  if(!isnull(res = isrpmvuln(pkg:"openssh", rpm:"openssh~6.6p1~36.12.1", rls:"SLES11.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-askpass-gnome", rpm:"openssh-askpass-gnome~6.6p1~36.12.1", rls:"SLES11.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-fips", rpm:"openssh-fips~6.6p1~36.12.1", rls:"SLES11.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-helpers", rpm:"openssh-helpers~6.6p1~36.12.1", rls:"SLES11.0SP4"))) {
    report += res;
  }

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

exit(0);