Lucene search

K
openvasCopyright (C) 2024 Greenbone AGOPENVAS:1361412562311920241009989972101198102
HistorySep 10, 2024 - 12:00 a.m.

Fedora: Security Advisory (FEDORA-2024-dc89a2e1bf)

2024-09-1000:00:00
Copyright (C) 2024 Greenbone AG
plugins.openvas.org
2
fedora
security advisory
openssh
cve-2024-6387
update
backport fix
obscurekeystroketiming
logic error
package
fedora 40

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.6

Confidence

High

EPSS

0.004

Percentile

73.8%

The remote host is missing an update for the

# 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("1.3.6.1.4.1.25623.1.1.9.2024.1009989972101198102");
  script_cve_id("CVE-2024-6387");
  script_tag(name:"creation_date", value:"2024-09-10 12:16:00 +0000 (Tue, 10 Sep 2024)");
  script_version("2024-09-13T05:05:46+0000");
  script_tag(name:"last_modification", value:"2024-09-13 05:05:46 +0000 (Fri, 13 Sep 2024)");
  script_tag(name:"cvss_base", value:"7.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/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:"2024-07-05 15:10:37 +0000 (Fri, 05 Jul 2024)");

  script_name("Fedora: Security Advisory (FEDORA-2024-dc89a2e1bf)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("Fedora Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/fedora", "ssh/login/rpms", re:"ssh/login/release=FC40");

  script_xref(name:"Advisory-ID", value:"FEDORA-2024-dc89a2e1bf");
  script_xref(name:"URL", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2024-dc89a2e1bf");
  script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2294904");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'openssh' package(s) announced via the FEDORA-2024-dc89a2e1bf advisory.");

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

  script_tag(name:"insight", value:"Backport fix for CVE-2024-6387 (rhbz#2294879)
Backport fix for ObscureKeystrokeTiming logic error from OpenSSH 9.8");

  script_tag(name:"affected", value:"'openssh' package(s) on Fedora 40.");

  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 == "FC40") {

  if(!isnull(res = isrpmvuln(pkg:"openssh", rpm:"openssh~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-askpass", rpm:"openssh-askpass~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-askpass-debuginfo", rpm:"openssh-askpass-debuginfo~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-clients", rpm:"openssh-clients~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-clients-debuginfo", rpm:"openssh-clients-debuginfo~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-debuginfo", rpm:"openssh-debuginfo~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-debugsource", rpm:"openssh-debugsource~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-keycat", rpm:"openssh-keycat~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-keycat-debuginfo", rpm:"openssh-keycat-debuginfo~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-server", rpm:"openssh-server~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-server-debuginfo", rpm:"openssh-server-debuginfo~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-sk-dummy", rpm:"openssh-sk-dummy~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-sk-dummy-debuginfo", rpm:"openssh-sk-dummy-debuginfo~9.6p1~1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"pam_ssh_agent_auth", rpm:"pam_ssh_agent_auth~0.10.4~9.1.fc40.4", rls:"FC40"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"pam_ssh_agent_auth-debuginfo", rpm:"pam_ssh_agent_auth-debuginfo~0.10.4~9.1.fc40.4", rls:"FC40"))) {
    report += res;
  }

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

exit(0);

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.6

Confidence

High

EPSS

0.004

Percentile

73.8%