Ubuntu: Security Advisory (USN-1009-2)

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.840567");
  script_cve_id("CVE-2010-3847", "CVE-2010-3856");
  script_tag(name:"creation_date", value:"2011-01-14 15:07:43 +0000 (Fri, 14 Jan 2011)");
  script_version("2024-02-02T05:06:04+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:04 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");

  script_name("Ubuntu: Security Advisory (USN-1009-2)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(10\.04\ LTS|10\.10|8\.04\ LTS|9\.10)");

  script_xref(name:"Advisory-ID", value:"USN-1009-2");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-1009-2");
  script_xref(name:"URL", value:"https://launchpad.net/bugs/701783");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'eglibc, glibc' package(s) announced via the USN-1009-2 advisory.");

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

  script_tag(name:"insight", value:"USN-1009-1 fixed vulnerabilities in the GNU C library. Colin Watson
discovered that the fixes were incomplete and introduced flaws with
setuid programs loading libraries that used dynamic string tokens in their
RPATH. If the 'man' program was installed setuid, a local attacker could
exploit this to gain 'man' user privileges, potentially leading to further
privilege escalations. Default Ubuntu installations were not affected.

Original advisory details:

 Tavis Ormandy discovered multiple flaws in the GNU C Library's handling
 of the LD_AUDIT environment variable when running a privileged binary. A
 local attacker could exploit this to gain root privileges. (CVE-2010-3847,
 CVE-2010-3856)");

  script_tag(name:"affected", value:"'eglibc, glibc' package(s) on Ubuntu 8.04, Ubuntu 9.10, Ubuntu 10.04, Ubuntu 10.10.");

  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 == "UBUNTU10.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libc6", ver:"2.11.1-0ubuntu7.7", rls:"UBUNTU10.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU10.10") {

  if(!isnull(res = isdpkgvuln(pkg:"libc6", ver:"2.12.1-0ubuntu10.1", rls:"UBUNTU10.10"))) {
    report += res;
  }

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

if(release == "UBUNTU8.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libc6", ver:"2.7-10ubuntu8", rls:"UBUNTU8.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU9.10") {

  if(!isnull(res = isdpkgvuln(pkg:"libc6", ver:"2.10.1-0ubuntu19", rls:"UBUNTU9.10"))) {
    report += res;
  }

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

exit(0);