SUSE: Security Advisory (SUSE-SU-2023:2945-1)

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.4.2023.2945.1");
  script_cve_id("CVE-2023-38408");
  script_tag(name:"creation_date", value:"2023-07-25 08:49:13 +0000 (Tue, 25 Jul 2023)");
  script_version("2025-02-14T08:35:38+0000");
  script_tag(name:"last_modification", value:"2025-02-14 08:35:38 +0000 (Fri, 14 Feb 2025)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-07-31 17:07:07 +0000 (Mon, 31 Jul 2023)");

  script_name("SUSE: Security Advisory (SUSE-SU-2023:2945-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 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\.0SP3)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2023:2945-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2023/suse-su-20232945-1/");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1186673");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1209536");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1213004");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1213008");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1213504");
  script_xref(name:"URL", value:"https://lists.suse.com/pipermail/sle-security-updates/2023-July/015607.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'openssh' package(s) announced via the SUSE-SU-2023:2945-1 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:

- CVE-2023-38408: Fixed a condition where specific libaries loaded via
 ssh-agent(1)'s PKCS#11 support could be abused to achieve remote code
 execution via a forwarded agent socket if those libraries were present on the
 victim's system and if the agent was forwarded to an attacker-controlled
 system. [bsc#1213504, CVE-2023-38408]

- Close the right filedescriptor and also close fdh in read_hmac to avoid file
 descriptor leaks. [bsc#1209536]

- Attempts to mitigate instances of secrets lingering in memory after a session
 exits. [bsc#1186673, bsc#1213004, bsc#1213008]");

  script_tag(name:"affected", value:"'openssh' package(s) on SUSE Linux Enterprise Server 15-SP3, SUSE Linux Enterprise Server for SAP Applications 15-SP3.");

  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 == "SLES15.0SP3") {

  if(!isnull(res = isrpmvuln(pkg:"openssh", rpm:"openssh~8.4p1~150300.3.22.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-askpass-gnome", rpm:"openssh-askpass-gnome~8.4p1~150300.3.22.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-clients", rpm:"openssh-clients~8.4p1~150300.3.22.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-common", rpm:"openssh-common~8.4p1~150300.3.22.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-fips", rpm:"openssh-fips~8.4p1~150300.3.22.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-helpers", rpm:"openssh-helpers~8.4p1~150300.3.22.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-server", rpm:"openssh-server~8.4p1~150300.3.22.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

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

exit(0);