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openvasCopyright (C) 2022 Greenbone AGOPENVAS:136141256231112200441
HistoryAug 26, 2022 - 12:00 a.m.

Ubuntu: Security Advisory (USN-4-1)

2022-08-2600:00:00
Copyright (C) 2022 Greenbone AG
plugins.openvas.org
11
ubuntu
security advisory
glibc
libc6
symlink attack
trustix secure linux
package update.

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

AI Score

6.6

Confidence

Low

EPSS

0

Percentile

5.1%

The remote host is missing an update for the

# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.1.12.2004.4.1");
  script_cve_id("CVE-2004-0968");
  script_tag(name:"creation_date", value:"2022-08-26 07:43:23 +0000 (Fri, 26 Aug 2022)");
  script_version("2024-02-02T05:06:10+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:10 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:N/I:P/A:N");

  script_name("Ubuntu: Security Advisory (USN-4-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU4\.10");

  script_xref(name:"Advisory-ID", value:"USN-4-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-4-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'glibc' package(s) announced via the USN-4-1 advisory.");

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

  script_tag(name:"insight", value:"Recently, Trustix Secure Linux discovered some vulnerabilities in the
libc6 package. The utilities 'catchsegv' and 'glibcbug' created
temporary files in an insecure way, which allowed a symlink attack to
create or overwrite arbitrary files with the privileges of the user
invoking the program.");

  script_tag(name:"affected", value:"'glibc' package(s) on Ubuntu 4.10.");

  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-deb.inc");

release = dpkg_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "UBUNTU4.10") {

  if(!isnull(res = isdpkgvuln(pkg:"glibc-doc", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libc6", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libc6-dbg", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libc6-dev", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libc6-i686", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libc6-pic", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libc6-prof", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"locales", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nscd", ver:"2.3.2.ds1-13ubuntu2.2", rls:"UBUNTU4.10"))) {
    report += res;
  }

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

exit(0);

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

AI Score

6.6

Confidence

Low

EPSS

0

Percentile

5.1%