CVE-2014-0143 Integer overflow in n/a
Local users can cause a denial of service via crafted disk images triggering integer overflows in QEMU block drivers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-0143?
CVE-2014-0143 is a high-severity vulnerability in Qemu Qemu, published on 10 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-190
Which versions are affected by CVE-2014-0143?
It affects 2 products.
Products include Qemu Qemu, Redhat Enterprise Linux.
How do I fix CVE-2014-0143?
Upgrade to a fixed version.
Is CVE-2014-0143 being exploited?
There is no known exploitation of CVE-2014-0143 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2014-0143, GHSA-p7h7-ff68-wgx2.