Debian: Security Advisory (DSA-4872-1)

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.704872");
  script_cve_id("CVE-2021-28963");
  script_tag(name:"creation_date", value:"2021-03-20 04:00:07 +0000 (Sat, 20 Mar 2021)");
  script_version("2024-02-02T05:06:07+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-03-26 14:13:08 +0000 (Fri, 26 Mar 2021)");

  script_name("Debian: Security Advisory (DSA-4872-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 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=DEB10");

  script_xref(name:"Advisory-ID", value:"DSA-4872-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2021/DSA-4872-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4872");
  script_xref(name:"URL", value:"https://shibboleth.net/community/advisories/secadv_20210317.txt");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/shibboleth-sp");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'shibboleth-sp' package(s) announced via the DSA-4872-1 advisory.");

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

  script_tag(name:"insight", value:"Toni Huttunen discovered that the Shibboleth service provider's template engine used to render error pages could be abused for phishing attacks.

For additional information please refer to the upstream advisory at [link moved to references]

For the stable distribution (buster), this problem has been fixed in version 3.0.4+dfsg1-1+deb10u1.

We recommend that you upgrade your shibboleth-sp packages.

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

  script_tag(name:"affected", value:"'shibboleth-sp' package(s) on Debian 10.");

  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:"libapache2-mod-shib", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libapache2-mod-shib2", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libshibsp-dev", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libshibsp-doc", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libshibsp-plugins", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libshibsp8", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"shibboleth-sp-common", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"shibboleth-sp-utils", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"shibboleth-sp2-common", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"shibboleth-sp2-utils", ver:"3.0.4+dfsg1-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

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

exit(0);