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CVE details

CVE-2014-0143

Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.

Score
7.0 high
Published
2017-08-10
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
emulators/qemu-cheriqemu-cheri0.d20260108unaddressedbrooks@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>qemu-cheri</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Multiple integer overflows in the block drivers in QEMU, possibly
	before 2.0.0, allow local users to cause a denial of service (crash)
	via a crafted catalog size in (1) the parallels_open function in
	block/parallels.c or (2) bochs_open function in bochs.c, a large L1
	table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4)
	qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request
	in the bdrv_check_byte_request function in block.c and other block
	drivers, (6) crafted cluster indexes in the get_refcount function in
	qcow2-refcount.c, or (7) a large number of blocks in the cloop_open
	function in cloop.c, which trigger buffer overflows, memory
	corruption, large memory allocations and out-of-bounds read and
	writes.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2014-0143</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2014-0143</url>
    </references>
    <dates>
      <discovery>2017-08-10</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>