Debian: Security Advisory (DSA-2112-1)

# 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("1.3.6.1.4.1.25623.1.1.1.1.2010.2112");
  script_cve_id("CVE-2010-0405");
  script_tag(name:"creation_date", value:"2023-03-08 12:56:44 +0000 (Wed, 08 Mar 2023)");
  script_version("2024-02-01T14:37:13+0000");
  script_tag(name:"last_modification", value:"2024-02-01 14:37:13 +0000 (Thu, 01 Feb 2024)");
  script_tag(name:"cvss_base", value:"5.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:P/I:P/A:P");

  script_name("Debian: Security Advisory (DSA-2112-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("Debian Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB5");

  script_xref(name:"Advisory-ID", value:"DSA-2112-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2010/DSA-2112-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-2112");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'bzip2' package(s) announced via the DSA-2112-1 advisory.");

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

  script_tag(name:"insight", value:"Mikolaj Izdebski has discovered an integer overflow flaw in the BZ2_decompress function in bzip2/libbz2. An attacker could use a crafted bz2 file to cause a denial of service (application crash) or potentially to execute arbitrary code. (CVE-2010-0405)

After the upgrade, all running services that use libbz2 need to be restarted.

This update also provides rebuilt dpkg packages, which are statically linked to the fixed version of libbz2. Updated packages for clamav, which is also affected by this issue, will be provided on debian-volatile.

For the stable distribution (lenny), this problem has been fixed in version 1.0.5-1+lenny1.

For the testing distribution (squeeze) and the unstable distribution (sid), this problem in bzip2 will be fixed soon. Updated dpkg packages are not necessary for testing/unstable.

We recommend that you upgrade your bzip2 / dpkg packages.");

  script_tag(name:"affected", value:"'bzip2' package(s) on Debian 5.");

  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 == "DEB5") {

  if(!isnull(res = isdpkgvuln(pkg:"bzip2", ver:"1.0.5-1+lenny1", rls:"DEB5"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"bzip2-doc", ver:"1.0.5-1+lenny1", rls:"DEB5"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"lib32bz2-1.0", ver:"1.0.5-1+lenny1", rls:"DEB5"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"lib32bz2-dev", ver:"1.0.5-1+lenny1", rls:"DEB5"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"lib64bz2-1.0", ver:"1.0.5-1+lenny1", rls:"DEB5"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"lib64bz2-dev", ver:"1.0.5-1+lenny1", rls:"DEB5"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbz2-1.0", ver:"1.0.5-1+lenny1", rls:"DEB5"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libbz2-dev", ver:"1.0.5-1+lenny1", rls:"DEB5"))) {
    report += res;
  }

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

exit(0);