Mageia: Security Advisory (MGASA-2016-0316)

# 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("1.3.6.1.4.1.25623.1.1.10.2016.0316");
  script_cve_id("CVE-2016-7167");
  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:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2016-10-07 16:35:43 +0000 (Fri, 07 Oct 2016)");

  script_name("Mageia: Security Advisory (MGASA-2016-0316)");
  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=MAGEIA5");

  script_xref(name:"Advisory-ID", value:"MGASA-2016-0316");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2016-0316.html");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=19360");
  script_xref(name:"URL", value:"https://curl.haxx.se/docs/adv_20160914.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'curl' package(s) announced via the MGASA-2016-0316 advisory.");

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

  script_tag(name:"insight", value:"The four libcurl functions curl_escape(), curl_easy_escape(),
curl_unescape and curl_easy_unescape perform string URL percent escaping
and unescaping. They accept custom string length inputs in signed integer
arguments. The provided string length arguments were not properly checked
and due to arithmetic in the functions, passing in the length 0xffffffff
(2^32-1 or UINT_MAX or even just -1) would end up causing an allocation of
zero bytes of heap memory that curl would attempt to write gigabytes of
data into (CVE-2016-7167).");

  script_tag(name:"affected", value:"'curl' package(s) on Mageia 5.");

  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 == "MAGEIA5") {

  if(!isnull(res = isrpmvuln(pkg:"curl", rpm:"curl~7.40.0~3.5.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"curl-examples", rpm:"curl-examples~7.40.0~3.5.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"lib64curl-devel", rpm:"lib64curl-devel~7.40.0~3.5.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"lib64curl4", rpm:"lib64curl4~7.40.0~3.5.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libcurl-devel", rpm:"libcurl-devel~7.40.0~3.5.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libcurl4", rpm:"libcurl4~7.40.0~3.5.mga5", rls:"MAGEIA5"))) {
    report += res;
  }

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

exit(0);