Debian: Security Advisory (DSA-1202-1)

# SPDX-FileCopyrightText: 2008 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("1.3.6.1.4.1.25623.1.0.57564");
  script_cve_id("CVE-2006-4573");
  script_tag(name:"creation_date", value:"2008-01-17 22:17:11 +0000 (Thu, 17 Jan 2008)");
  script_version("2024-02-01T14:37:10+0000");
  script_tag(name:"last_modification", value:"2024-02-01 14:37:10 +0000 (Thu, 01 Feb 2024)");
  script_tag(name:"cvss_base", value:"2.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:N/I:N/A:P");

  script_name("Debian: Security Advisory (DSA-1202-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2008 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=DEB3\.1");

  script_xref(name:"Advisory-ID", value:"DSA-1202-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2006/DSA-1202-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-1202");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'screen' package(s) announced via the DSA-1202-1 advisory.");

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

  script_tag(name:"insight", value:"cstone and Rich Felker discovered that specially crafted UTF-8 sequences may lead an out of bands memory write when displayed inside the screen terminal multiplexer, allowing denial of service and potentially the execution of arbitrary code.

For the stable distribution (sarge) this problem has been fixed in version 4.0.2-4.1sarge1. Due to technical problems with the security buildd infrastructure this update lacks a build for the Sun Sparc architecture. It will be released as soon as the problems are resolved.

For the unstable distribution (sid) this problem has been fixed in version 4.0.3-0.1.

We recommend that you upgrade your screen package.");

  script_tag(name:"affected", value:"'screen' package(s) on Debian 3.1.");

  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 == "DEB3.1") {

  if(!isnull(res = isdpkgvuln(pkg:"screen", ver:"4.0.2-4.1sarge1", rls:"DEB3.1"))) {
    report += res;
  }

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

exit(0);