Debian: Security Advisory (DSA-2721-1)

# 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("1.3.6.1.4.1.25623.1.0.702721");
  script_cve_id("CVE-2013-2070");
  script_tag(name:"creation_date", value:"2013-07-06 22:00:00 +0000 (Sat, 06 Jul 2013)");
  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:"5.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:P");

  script_name("Debian: Security Advisory (DSA-2721-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2013 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=DEB7");

  script_xref(name:"Advisory-ID", value:"DSA-2721-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2013/DSA-2721-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-2721");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'nginx' package(s) announced via the DSA-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:"A buffer overflow has been identified in nginx, a small, powerful, scalable web/proxy server, when processing certain chunked transfer encoding requests if proxy_pass to untrusted upstream HTTP servers is used. An attacker may use this flaw to perform denial of service attacks, disclose worker process memory, or possibly execute arbitrary code.

The oldstable distribution (squeeze) is not affected by this problem.

For the stable distribution (wheezy), this problem has been fixed in version 1.2.1-2.2+wheezy1.

For the unstable distribution (sid), this problem has been fixed in version 1.4.1-1.

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

  script_tag(name:"affected", value:"'nginx' package(s) on Debian 7.");

  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 == "DEB7") {

  if(!isnull(res = isdpkgvuln(pkg:"nginx", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-common", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-doc", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-extras", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-extras-dbg", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-full", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-full-dbg", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-light", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-light-dbg", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-naxsi", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-naxsi-dbg", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nginx-naxsi-ui", ver:"1.2.1-2.2+wheezy1", rls:"DEB7"))) {
    report += res;
  }

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

exit(0);