Debian Security Bug TrackerDEBIANCVE:CVE-2021-3593CVE-2021-3593
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
EPSS
Percentile
16.3%
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and could occur while processing a udp packet that is smaller than the size of the ‘udphdr’ structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | libslirp | < 4.6.1-1 | libslirp_4.6.1-1_all.deb |
| Debian | 11 | all | libslirp | < 4.4.0-1+deb11u2 | libslirp_4.4.0-1+deb11u2_all.deb |
| Debian | 999 | all | libslirp | < 4.6.1-1 | libslirp_4.6.1-1_all.deb |
| Debian | 13 | all | libslirp | < 4.6.1-1 | libslirp_4.6.1-1_all.deb |
| Debian | 12 | all | qemu | < 1:4.1-2 | qemu_1:4.1-2_all.deb |
| Debian | 11 | all | qemu | < 1:4.1-2 | qemu_1:4.1-2_all.deb |
| Debian | 999 | all | qemu | < 1:4.1-2 | qemu_1:4.1-2_all.deb |
| Debian | 13 | all | qemu | < 1:4.1-2 | qemu_1:4.1-2_all.deb |
Related
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
EPSS
Percentile
16.3%