Debian: Security Advisory (DSA-3940-1)

# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.703940");
  script_cve_id("CVE-2017-12836");
  script_tag(name:"creation_date", value:"2017-08-12 22:00:00 +0000 (Sat, 12 Aug 2017)");
  script_version("2024-02-02T05:06:06+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:06 +0000 (Fri, 02 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_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-09-08 02:11:40 +0000 (Fri, 08 Sep 2017)");

  script_name("Debian: Security Advisory (DSA-3940-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 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=DEB(8|9)");

  script_xref(name:"Advisory-ID", value:"DSA-3940-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2017/DSA-3940-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-3940");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'cvs' package(s) announced via the DSA-3940-1 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 CVS, a centralised version control system, did not correctly handle maliciously constructed repository URLs, which allowed an attacker to run an arbitrary shell command.

For the oldstable distribution (jessie), this problem has been fixed in version 2:1.12.13+real-15+deb8u1.

For the stable distribution (stretch), this problem has been fixed in version 2:1.12.13+real-22+deb9u1.

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

  script_tag(name:"affected", value:"'cvs' package(s) on Debian 8, Debian 9.");

  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:"cvs", ver:"2:1.12.13+real-15+deb8u1", rls:"DEB8"))) {
    report += res;
  }

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

if(release == "DEB9") {

  if(!isnull(res = isdpkgvuln(pkg:"cvs", ver:"2:1.12.13+real-22+deb9u1", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);