Debian: Security Advisory (DSA-3255-1)

# 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("1.3.6.1.4.1.25623.1.0.703255");
  script_cve_id("CVE-2014-9721");
  script_tag(name:"creation_date", value:"2015-05-09 22:00:00 +0000 (Sat, 09 May 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:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");

  script_name("Debian: Security Advisory (DSA-3255-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 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=DEB8");

  script_xref(name:"Advisory-ID", value:"DSA-3255-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2015/DSA-3255-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-3255");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'zeromq3' package(s) announced via the DSA-3255-1 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 libzmq, a lightweight messaging kernel, is susceptible to a protocol downgrade attack on sockets using the ZMTP v3 protocol. This could allow remote attackers to bypass ZMTP v3 security mechanisms by sending ZMTP v2 or earlier headers.

For the stable distribution (jessie), this problem has been fixed in version 4.0.5+dfsg-2+deb8u1.

For the testing distribution (stretch), this problem has been fixed in version 4.0.5+dfsg-3.

For the unstable distribution (sid), this problem has been fixed in version 4.0.5+dfsg-3.

We recommend that you upgrade your zeromq3 packages.");

  script_tag(name:"affected", value:"'zeromq3' package(s) on Debian 8.");

  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 == "DEB8") {

  if(!isnull(res = isdpkgvuln(pkg:"libzmq3", ver:"4.0.5+dfsg-2+deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libzmq3-dbg", ver:"4.0.5+dfsg-2+deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libzmq3-dev", ver:"4.0.5+dfsg-2+deb8u1", rls:"DEB8"))) {
    report += res;
  }

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

exit(0);