Buffer overflow in Qemu
CVE-2014-0145
Multiple buffer overflows in QEMU before 1.7.2 and 2.x before 2.0.0, allow local users to cause a denial of service (crash) or possibly execute arbitrary code via a large (1) L1 table in the qcow2_snapshot_load_tmp in the QCOW 2 block driver (block/qcow2-snapshot.c) or (2) uncompressed chunk, (3) chunk length, or (4) number of sectors in the DMG block driver (block/dmg.c).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Qemu — versions 2.0.0
Weakness classification (CWE)
References
- rhn.redhat.com/errata/RHSA-2014-0420.html (vendor-advisory, Third Party Advisory)
- git.qemu.org/
- rhn.redhat.com/errata/RHSA-2014-0421.html (vendor-advisory, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html (Patch, Third Party Advisory)
- www.debian.org/security/2014/dsa-3044 (vendor-advisory)
- git.qemu.org/
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- git.qemu.org/
- www.openwall.com/lists/oss-security/2014/03/26/8 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2014-0145?
- CVE-2014-0145 is a high-severity vulnerability in Qemu, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-08-10.
- How severe is CVE-2014-0145?
- High severity. CVSS v3 base score is 7.8 out of 10.