Ubuntu: Security Advisory (USN-2721-1)

# SPDX-FileCopyrightText: 2015 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("1.3.6.1.4.1.25623.1.0.842420");
  script_cve_id("CVE-2014-3580", "CVE-2014-8108", "CVE-2015-0202", "CVE-2015-0248", "CVE-2015-0251", "CVE-2015-3184", "CVE-2015-3187");
  script_tag(name:"creation_date", value:"2015-08-21 05:50:15 +0000 (Fri, 21 Aug 2015)");
  script_version("2024-02-02T05:06:05+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:05 +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-2721-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 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|14\.04\ LTS|15\.04)");

  script_xref(name:"Advisory-ID", value:"USN-2721-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-2721-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'subversion' package(s) announced via the USN-2721-1 advisory.");

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

  script_tag(name:"insight", value:"It was discovered that the Subversion mod_dav_svn module incorrectly
handled REPORT requests for a resource that does not exist. A remote
attacker could use this issue to cause the server to crash, resulting in a
denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu
14.04 LTS. (CVE-2014-3580)

It was discovered that the Subversion mod_dav_svn module incorrectly
handled requests requiring a lookup for a virtual transaction name that
does not exist. A remote attacker could use this issue to cause the server
to crash, resulting in a denial of service. This issue only affected Ubuntu
14.04 LTS. (CVE-2014-8108)

Evgeny Kotkov discovered that the Subversion mod_dav_svn module incorrectly
handled large numbers of REPORT requests. A remote attacker could use this
issue to cause the server to crash, resulting in a denial of service. This
issue only affected Ubuntu 14.04 LTS and Ubuntu 15.04. (CVE-2015-0202)

Evgeny Kotkov discovered that the Subversion mod_dav_svn and svnserve
modules incorrectly certain crafted parameter combinations. A remote
attacker could use this issue to cause the server to crash, resulting in a
denial of service. (CVE-2015-0248)

Ivan Zhakov discovered that the Subversion mod_dav_svn module incorrectly
handled crafted v1 HTTP protocol request sequences. A remote attacker could
use this issue to spoof the svn:author property. (CVE-2015-0251)

C. Michael Pilato discovered that the Subversion mod_dav_svn module
incorrectly restricted anonymous access. A remote attacker could use this
issue to read hidden files via the path name. This issue only affected
Ubuntu 14.04 LTS and Ubuntu 15.04. (CVE-2015-3184)

C. Michael Pilato discovered that Subversion incorrectly handled path-based
authorization. A remote attacker could use this issue to obtain sensitive
path information. (CVE-2015-3187)");

  script_tag(name:"affected", value:"'subversion' package(s) on Ubuntu 12.04, Ubuntu 14.04, Ubuntu 15.04.");

  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-3ubuntu3.5", rls:"UBUNTU12.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libsvn1", ver:"1.6.17dfsg-3ubuntu3.5", rls:"UBUNTU12.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"subversion", ver:"1.6.17dfsg-3ubuntu3.5", rls:"UBUNTU12.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU14.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libapache2-svn", ver:"1.8.8-1ubuntu3.2", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libsvn1", ver:"1.8.8-1ubuntu3.2", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"subversion", ver:"1.8.8-1ubuntu3.2", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU15.04") {

  if(!isnull(res = isdpkgvuln(pkg:"libapache2-svn", ver:"1.8.10-5ubuntu1.1", rls:"UBUNTU15.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libsvn1", ver:"1.8.10-5ubuntu1.1", rls:"UBUNTU15.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"subversion", ver:"1.8.10-5ubuntu1.1", rls:"UBUNTU15.04"))) {
    report += res;
  }

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

exit(0);