Debian: Security Advisory (DSA-5171-1)

# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.0.705171");
  script_cve_id("CVE-2021-28116", "CVE-2021-46784");
  script_tag(name:"creation_date", value:"2022-06-29 01:00:06 +0000 (Wed, 29 Jun 2022)");
  script_version("2024-02-02T05:06:08+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:08 +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:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-07-27 17:26:30 +0000 (Wed, 27 Jul 2022)");

  script_name("Debian: Security Advisory (DSA-5171-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 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(10|11)");

  script_xref(name:"Advisory-ID", value:"DSA-5171-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2022/DSA-5171-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-5171");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/squid");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'squid' package(s) announced via the DSA-5171-1 advisory.");

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

  script_tag(name:"insight", value:"Multiple security issues were discovered in the Squid proxy caching server:

CVE-2021-28116

Amos Jeffries discovered an information leak if WCCPv2 is enabled

CVE-2021-46784

Joshua Rogers discovered that an error in parsing Gopher server responses may result in denial of service

For the oldstable distribution (buster), these problems have been fixed in version 4.6-1+deb10u7.

For the stable distribution (bullseye), these problems have been fixed in version 4.13-10+deb11u1.

We recommend that you upgrade your squid packages.

For the detailed security status of squid please refer to its security tracker page at: [link moved to references]");

  script_tag(name:"affected", value:"'squid' package(s) on Debian 10, Debian 11.");

  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 == "DEB10") {

  if(!isnull(res = isdpkgvuln(pkg:"squid", ver:"4.6-1+deb10u7", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squid-cgi", ver:"4.6-1+deb10u7", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squid-common", ver:"4.6-1+deb10u7", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squid-purge", ver:"4.6-1+deb10u7", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squid3", ver:"4.6-1+deb10u7", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squidclient", ver:"4.6-1+deb10u7", rls:"DEB10"))) {
    report += res;
  }

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

if(release == "DEB11") {

  if(!isnull(res = isdpkgvuln(pkg:"squid", ver:"4.13-10+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squid-cgi", ver:"4.13-10+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squid-common", ver:"4.13-10+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squid-openssl", ver:"4.13-10+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squid-purge", ver:"4.13-10+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"squidclient", ver:"4.13-10+deb11u1", rls:"DEB11"))) {
    report += res;
  }

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

exit(0);