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openvasCopyright (C) 2023 Greenbone AGOPENVAS:1361412562310884628
HistoryAug 10, 2023 - 12:00 a.m.

Fedora: Security Advisory for krb5 (FEDORA-2023-ca086f015c)

2023-08-1000:00:00
Copyright (C) 2023 Greenbone AG
plugins.openvas.org
2
fedora 38
krb5
security advisory

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.3%

The remote host is missing an update for the

# 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("1.3.6.1.4.1.25623.1.0.884628");
  script_version("2023-10-12T05:05:32+0000");
  script_cve_id("CVE-2023-39975");
  script_tag(name:"cvss_base", value:"9.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-10-12 05:05:32 +0000 (Thu, 12 Oct 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-08-22 23:17:00 +0000 (Tue, 22 Aug 2023)");
  script_tag(name:"creation_date", value:"2023-08-10 01:15:25 +0000 (Thu, 10 Aug 2023)");
  script_name("Fedora: Security Advisory for krb5 (FEDORA-2023-ca086f015c)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 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=FC38");

  script_xref(name:"Advisory-ID", value:"FEDORA-2023-ca086f015c");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4J72BFSTPBECSYYN2FSBALOMIYZ5XTZO");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'krb5'
  package(s) announced via the FEDORA-2023-ca086f015c advisory.");

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

  script_tag(name:"insight", value:"Kerberos V5 is a trusted-third-party network authentication system,
which can improve your network&#39, s security by eliminating the insecure
practice of sending passwords over the network in unencrypted form.");

  script_tag(name:"affected", value:"'krb5' package(s) on Fedora 38.");

  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 == "FC38") {

  if(!isnull(res = isrpmvuln(pkg:"krb5", rpm:"krb5~1.21~3.fc38", rls:"FC38"))) {
    report += res;
  }

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

exit(0);

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.3%