CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
AI Score
Confidence
High
EPSS
Percentile
97.9%
The remote host is missing an update to krb5
announced via advisory FEDORA-2009-2852.
# SPDX-FileCopyrightText: 2009 E-Soft Inc.
# 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 OR GPL-3.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.63778");
script_version("2023-07-18T05:05:36+0000");
script_tag(name:"last_modification", value:"2023-07-18 05:05:36 +0000 (Tue, 18 Jul 2023)");
script_tag(name:"creation_date", value:"2009-04-15 22:11:00 +0200 (Wed, 15 Apr 2009)");
script_cve_id("CVE-2009-0844", "CVE-2009-0845", "CVE-2009-0846", "CVE-2009-0847");
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_name("Fedora Core 10 FEDORA-2009-2852 (krb5)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2009 E-Soft Inc.");
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=FC10");
script_tag(name:"insight", value:"Update Information:
This update incorporates patches to fix potential read overflow and NULL pointer
dereferences in the implementation of the SPNEGO GSSAPI mechanism
(CVE-2009-0844, CVE-2009-0845), attempts to free an uninitialized pointer during
protocol parsing (CVE-2009-0846), and a bug in length validation during protocol
parsing (CVE-2009-0847).
ChangeLog:
* Tue Apr 7 2009 Nalin Dahyabhai 1.6.3-18
- add patches for read overflow and null pointer dereference in the
implementation of the SPNEGO mechanism (CVE-2009-0844, CVE-2009-0845)
- add patch for attempt to free uninitialized pointer in libkrb5
(CVE-2009-0846)
- add patch to fix length validation bug in libkrb5 (CVE-2009-0847)
* Tue Mar 17 2009 Nalin Dahyabhai 1.6.3-17
- libgssapi_krb5: backport fix for some errors which can occur when
we fail to set up the server half of a context (CVE-2009-0845)");
script_tag(name:"solution", value:"Apply the appropriate updates.
This update can be installed with the yum update program. Use
su -c 'yum update krb5' at the command line.");
script_xref(name:"URL", value:"https://secure1.securityspace.com/smysecure/catid.html?in=FEDORA-2009-2852");
script_tag(name:"summary", value:"The remote host is missing an update to krb5
announced via advisory FEDORA-2009-2852.");
script_tag(name:"qod_type", value:"package");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=490634");
script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=491033");
script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=491036");
script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=491034");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
res = "";
report = "";
if ((res = isrpmvuln(pkg:"krb5-devel", rpm:"krb5-devel~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if ((res = isrpmvuln(pkg:"krb5-libs", rpm:"krb5-libs~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if ((res = isrpmvuln(pkg:"krb5-pkinit-openssl", rpm:"krb5-pkinit-openssl~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if ((res = isrpmvuln(pkg:"krb5-server", rpm:"krb5-server~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if ((res = isrpmvuln(pkg:"krb5-server-ldap", rpm:"krb5-server-ldap~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if ((res = isrpmvuln(pkg:"krb5-workstation", rpm:"krb5-workstation~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if ((res = isrpmvuln(pkg:"krb5-workstation-clients", rpm:"krb5-workstation-clients~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if ((res = isrpmvuln(pkg:"krb5-workstation-servers", rpm:"krb5-workstation-servers~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if ((res = isrpmvuln(pkg:"krb5-debuginfo", rpm:"krb5-debuginfo~1.6.3~18.fc10", rls:"FC10")) != NULL) {
report += res;
}
if (report != "") {
security_message(data:report);
} else if (__pkg_match) {
exit(99);
}