Ubuntu: Security Advisory (USN-1893-1)

# SPDX-FileCopyrightText: 2013 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("1.3.6.1.4.1.25623.1.0.841492");
  script_cve_id("CVE-2013-1845", "CVE-2013-1846", "CVE-2013-1847", "CVE-2013-1849", "CVE-2013-1884", "CVE-2013-1968", "CVE-2013-2112");
  script_tag(name:"creation_date", value:"2013-07-02 04:50:46 +0000 (Tue, 02 Jul 2013)");
  script_version("2024-02-02T05:06:04+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:04 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");

  script_name("Ubuntu: Security Advisory (USN-1893-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2013 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=UBUNTU(12\.04\ LTS|12\.10|13\.04)");

  script_xref(name:"Advisory-ID", value:"USN-1893-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-1893-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'subversion' package(s) announced via the USN-1893-1 advisory.");

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

  script_tag(name:"insight", value:"Alexander Klink discovered that the Subversion mod_dav_svn module for
Apache did not properly handle a large number of properties. A remote
authenticated attacker could use this flaw to cause memory consumption,
leading to a denial of service. (CVE-2013-1845)

Ben Reser discovered that the Subversion mod_dav_svn module for
Apache did not properly handle certain LOCKs. A remote authenticated
attacker could use this flaw to cause Subversion to crash, leading to a
denial of service. (CVE-2013-1846)

Philip Martin and Ben Reser discovered that the Subversion mod_dav_svn
module for Apache did not properly handle certain LOCKs. A remote
attacker could use this flaw to cause Subversion to crash, leading to a
denial of service. (CVE-2013-1847)

It was discovered that the Subversion mod_dav_svn module for Apache did not
properly handle certain PROPFIND requests. A remote attacker could use this
flaw to cause Subversion to crash, leading to a denial of service.
(CVE-2013-1849)

Greg McMullin, Stefan Fuhrmann, Philip Martin, and Ben Reser discovered
that the Subversion mod_dav_svn module for Apache did not properly handle
certain log REPORT requests. A remote attacker could use this flaw to cause
Subversion to crash, leading to a denial of service. This issue only
affected Ubuntu 12.10 and Ubuntu 13.04. (CVE-2013-1884)

Stefan Sperling discovered that Subversion incorrectly handled newline
characters in filenames. A remote authenticated attacker could use this
flaw to corrupt FSFS repositories. (CVE-2013-1968)

Boris Lytochkin discovered that Subversion incorrectly handled TCP
connections that were closed early. A remote attacker could use this flaw
to cause Subversion to crash, leading to a denial of service.
(CVE-2013-2112)");

  script_tag(name:"affected", value:"'subversion' package(s) on Ubuntu 12.04, Ubuntu 12.10, Ubuntu 13.04.");

  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 == "UBUNTU12.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libapache2-svn", ver:"1.6.17dfsg-3ubuntu3.3", rls:"UBUNTU12.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libsvn1", ver:"1.6.17dfsg-3ubuntu3.3", rls:"UBUNTU12.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU12.10") {

  if(!isnull(res = isdpkgvuln(pkg:"libapache2-svn", ver:"1.7.5-1ubuntu2.1", rls:"UBUNTU12.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libsvn1", ver:"1.7.5-1ubuntu2.1", rls:"UBUNTU12.10"))) {
    report += res;
  }

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

if(release == "UBUNTU13.04") {

  if(!isnull(res = isdpkgvuln(pkg:"libapache2-svn", ver:"1.7.5-1ubuntu3.1", rls:"UBUNTU13.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libsvn1", ver:"1.7.5-1ubuntu3.1", rls:"UBUNTU13.04"))) {
    report += res;
  }

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

exit(0);