SUSE: Security Advisory (SUSE-SU-2024:0140-1)

# SPDX-FileCopyrightText: 2024 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("1.3.6.1.4.1.25623.1.1.4.2024.0140.1");
  script_cve_id("CVE-2023-1667", "CVE-2023-2283", "CVE-2023-48795", "CVE-2023-6004", "CVE-2023-6918");
  script_tag(name:"creation_date", value:"2024-01-19 04:20:29 +0000 (Fri, 19 Jan 2024)");
  script_version("2024-02-02T14:37:52+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:52 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"6.4");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-06-06 14:54:27 +0000 (Tue, 06 Jun 2023)");

  script_name("SUSE: Security Advisory (SUSE-SU-2024:0140-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2024 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\.0SP4)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2024:0140-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2024/suse-su-20240140-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'libssh' package(s) announced via the SUSE-SU-2024:0140-1 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 libssh fixes the following issues:
Security fixes:

CVE-2023-6004: Fixed command injection using proxycommand (bsc#1218209)
CVE-2023-48795: Fixed potential downgrade attack using strict kex (bsc#1218126)
CVE-2023-6918: Fixed missing checks for return values of MD functions (bsc#1218186)
CVE-2023-1667: Fixed NULL dereference during rekeying with algorithm guessing (bsc#1211188)
CVE-2023-2283: Fixed possible authorization bypass in pki_verify_data_signature under low-memory conditions (bsc#1211190)

Other fixes:

Update to version 0.9.8

Allow @ in usernames when parsing from URI composes


Update to version 0.9.7

Fix several memory leaks in GSSAPI handling code");

  script_tag(name:"affected", value:"'libssh' package(s) on SUSE Linux Enterprise Desktop 15-SP4, SUSE Linux Enterprise High Performance Computing 15-SP4, SUSE Linux Enterprise Micro 5.3, SUSE Linux Enterprise Micro 5.4, SUSE Linux Enterprise Micro 5.5, SUSE Linux Enterprise Micro for Rancher 5.3, SUSE Linux Enterprise Micro for Rancher 5.4, SUSE Linux Enterprise Real Time 15-SP4, SUSE Linux Enterprise Server 15-SP4, SUSE Linux Enterprise Server for SAP Applications 15-SP4, SUSE Manager Proxy 4.3, SUSE Manager Retail Branch Server 4.3, SUSE Manager Server 4.3.");

  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 == "SLES15.0SP4") {

  if(!isnull(res = isrpmvuln(pkg:"libssh-config", rpm:"libssh-config~0.9.8~150400.3.3.1", rls:"SLES15.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libssh-debugsource", rpm:"libssh-debugsource~0.9.8~150400.3.3.1", rls:"SLES15.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libssh-devel", rpm:"libssh-devel~0.9.8~150400.3.3.1", rls:"SLES15.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libssh4", rpm:"libssh4~0.9.8~150400.3.3.1", rls:"SLES15.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libssh4-32bit", rpm:"libssh4-32bit~0.9.8~150400.3.3.1", rls:"SLES15.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libssh4-32bit-debuginfo", rpm:"libssh4-32bit-debuginfo~0.9.8~150400.3.3.1", rls:"SLES15.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libssh4-debuginfo", rpm:"libssh4-debuginfo~0.9.8~150400.3.3.1", rls:"SLES15.0SP4"))) {
    report += res;
  }

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

exit(0);