Overview
- Description
- 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).
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 4.6
- Impact score
- 6.4
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-119
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "535B1295-C195-4EFD-8509-C6DE3FAF3F3E",
"versionEndIncluding": "1.7.1"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.0.0:rc0:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D583599F-AE5E-40E4-8489-62FD1D0A7845"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.0.0:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DE70D9B7-F422-455F-8413-CF34342B22AB"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.0.0:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E3946C39-A3D1-4E2B-9C7D-0654D9A644EA"
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.0.0:rc3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7F858FD1-58A3-46ED-A3C6-64ECEDF8E458"
}
],
"operator": "OR"
}
]
}
]