Mageia: Security Advisory (MGASA-2020-0335)

# 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("1.3.6.1.4.1.25623.1.1.10.2020.0335");
  script_cve_id("CVE-2020-14347");
  script_tag(name:"creation_date", value:"2022-01-28 10:58:44 +0000 (Fri, 28 Jan 2022)");
  script_version("2024-02-02T05:06:09+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:09 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-06 20:44:52 +0000 (Thu, 06 Aug 2020)");

  script_name("Mageia: Security Advisory (MGASA-2020-0335)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Mageia Linux Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/mageia_linux", "ssh/login/release", re:"ssh/login/release=MAGEIA7");

  script_xref(name:"Advisory-ID", value:"MGASA-2020-0335");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2020-0335.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=27031");
  script_xref(name:"URL", value:"https://lists.x.org/archives/xorg-announce/2020-July/003051.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'x11-server' package(s) announced via the MGASA-2020-0335 advisory.");

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

  script_tag(name:"insight", value:"Allocation for pixmap data in AllocatePixmap() does not initialize the memory
in xserver, it leads to leak uninitialize heap memory to clients. When the X
server runs with elevated privileges. This flaw can lead to ASLR bypass, which
when combined with other flaws (known/unknown) could lead to lead to privilege
elevation in the client (CVE-2020-14347).");

  script_tag(name:"affected", value:"'x11-server' package(s) on Mageia 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-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "MAGEIA7") {

  if(!isnull(res = isrpmvuln(pkg:"x11-server", rpm:"x11-server~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-common", rpm:"x11-server-common~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-devel", rpm:"x11-server-devel~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-source", rpm:"x11-server-source~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-xdmx", rpm:"x11-server-xdmx~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-xephyr", rpm:"x11-server-xephyr~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-xnest", rpm:"x11-server-xnest~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-xorg", rpm:"x11-server-xorg~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-xvfb", rpm:"x11-server-xvfb~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"x11-server-xwayland", rpm:"x11-server-xwayland~1.20.8~1.1.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

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

exit(0);