Overview
- Description
- The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 5.5
- Impact score
- 3.6
- Exploitability score
- 1.8
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 1.9
- Impact score
- 2.9
- Exploitability score
- 3.4
- Vector string
- AV:L/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-476
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"
}
]
}
]