Debian: Security Advisory (DSA-4535-1)

# SPDX-FileCopyrightText: 2019 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("1.3.6.1.4.1.25623.1.0.704535");
  script_cve_id("CVE-2019-5094");
  script_tag(name:"creation_date", value:"2019-09-28 02:00:08 +0000 (Sat, 28 Sep 2019)");
  script_version("2025-06-02T05:40:56+0000");
  script_tag(name:"last_modification", value:"2025-06-02 05:40:56 +0000 (Mon, 02 Jun 2025)");
  script_tag(name:"cvss_base", value:"4.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-09-24 22:15:13 +0000 (Tue, 24 Sep 2019)");

  script_name("Debian: Security Advisory (DSA-4535-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 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|9)");

  script_xref(name:"Advisory-ID", value:"DSA-4535-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2019/DSA-4535-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4535");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/e2fsprogs");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'e2fsprogs' package(s) announced via the DSA-4535-1 advisory.");

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

  script_tag(name:"insight", value:"Lilith of Cisco Talos discovered a buffer overflow flaw in the quota code used by e2fsck from the ext2/ext3/ext4 file system utilities. Running e2fsck on a malformed file system can result in the execution of arbitrary code.

For the oldstable distribution (stretch), this problem has been fixed in version 1.43.4-2+deb9u1.

For the stable distribution (buster), this problem has been fixed in version 1.44.5-1+deb10u2.

We recommend that you upgrade your e2fsprogs packages.

For the detailed security status of e2fsprogs please refer to its security tracker page at: [link moved to references]");

  script_tag(name:"affected", value:"'e2fsprogs' package(s) on Debian 9, 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:"comerr-dev", ver:"2.1-1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fsck-static", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fslibs", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fslibs-dev", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fsprogs", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fsprogs-l10n", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fsprogs-udeb", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"fuse2fs", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libcom-err2", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libcomerr2", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libext2fs-dev", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libext2fs2", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libss2", ver:"1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ss-dev", ver:"2.0-1.44.5-1+deb10u2", rls:"DEB10"))) {
    report += res;
  }

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

if(release == "DEB9") {

  if(!isnull(res = isdpkgvuln(pkg:"comerr-dev", ver:"2.1-1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fsck-static", ver:"1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fslibs", ver:"1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fslibs-dev", ver:"1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fsprogs", ver:"1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"e2fsprogs-udeb", ver:"1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"fuse2fs", ver:"1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libcomerr2", ver:"1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libss2", ver:"1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ss-dev", ver:"2.0-1.43.4-2+deb9u1", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);